DoorDash is giving away a million one-cent Big Macs and $1 million this week. Here’s how to get in on the deal. Starting today, September 30th, one million customers will be able to order a Big Mac from McDonald’s through the DoorDash app or website and enter the code 1MBIGMAC to reduce the price to just one cent.

Customers who use the code are automatically entered into the sweepstakes for a chance to win $1 million. The winner will be chosen at random once the promotion ends at 11:59:59 p.m. on Friday, October 4.

With Purchase:  There is a maximum of one million (1,000,000) Big Mac  Offers available and if the one million limit is reached before the end of the Entry Period, Participants will no longer be able to enter the Sweepstakes via the Big Mac Offer and will instead need to enter without a purchase as detailed above. There is a limit of one Big Mac Offer per person during the entire Entry Period.

AMOE: Send an email to entry@amoeentry.com and put only the date you are sending the email in numeric format (mm/dd/yy) in the subject line and your first/last name, city, state, ZIP and telephone number in the body of the email. Note: AMOE entries must be received by the Redemption Center during the Entry Period and on the same date noted in the subject line or they will be disqualified.