DoorDash, the nation’s largest on-demand destination for door-to-door delivery, is celebrating the nationwide rollout of McDelivery with DoorDash by offering 1 million Big Mac sandwiches for only 1 cent each (plus fees) from September 30 through October 4 with the promo code 1MBIGMAC. If you don’t have a DoorDash account, you can sign up here.

Op top of that, DoorDash customers who take advantage of this offer will automatically be entered for a chance to win $1 million.

McDonald’s is also a part of DashPass, DoorDash’s nationwide subscription program. For $9.99 a month, DashPass offers its members unlimited $0 delivery fees on orders of $12 or more from thousands of participating restaurants. Through DashPass, DoorDash is the only on-demand logistics platform that offers McDelivery without delivery fees.