2490404 has 24 divisors (see below), whose sum is σ = 5154240. Its totient is φ = 1030176.

The previous prime is 2490391. The next prime is 2490413. The reversal of 2490404 is 4040942.

It is a happy number.

It is a super-2 number, since 2×2490404² = 12404224166432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2490404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722 + ... + 2345.

It is an arithmetic number, because the mean of its divisors is an integer number (214760).

2^2490404 is an apocalyptic number.

It is an amenable number.

2490404 is an abundant number, since it is smaller than the sum of its proper divisors (2663836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2490404 is a wasteful number, since it uses less digits than its factorization.

2490404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3107 (or 3105 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2490404 is about 1578.1013909125. The cubic root of 2490404 is about 135.5470078319.

The spelling of 2490404 in words is "two million, four hundred ninety thousand, four hundred four".