9040402 has 24 divisors (see below), whose sum is σ = 16323660. Its totient is φ = 3739680.

The previous prime is 9040399. The next prime is 9040411. The reversal of 9040402 is 2040409.

It can be written as a sum of positive squares in 2 ways, for example, as 8520561 + 519841 = 2919^2 + 721^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9040402.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1252 + ... + 4432.

Almost surely, 2^9040402 is an apocalyptic number.

9040402 is a deficient number, since it is larger than the sum of its proper divisors (7283258).

9040402 is a wasteful number, since it uses less digits than its factorization.

9040402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226 (or 3219 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 9040402 is about 3006.7261265370. The cubic root of 9040402 is about 208.3191752867.

The spelling of 9040402 in words is "nine million, forty thousand, four hundred two".