90004056 has 16 divisors (see below), whose sum is σ = 225010200. Its totient is φ = 30001344.

The previous prime is 90004051. The next prime is 90004063. The reversal of 90004056 is 65040009.

It is a super-2 number, since 2×90004056² = 16201460192902272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 3750169 = 90004056 / (9 + 0 + 0 + 0 + 4 + 0 + 5 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90004051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1875061 + ... + 1875108.

Almost surely, 2^90004056 is an apocalyptic number.

It is an amenable number.

90004056 is an abundant number, since it is smaller than the sum of its proper divisors (135006144).

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

90004056 is a wasteful number, since it uses less digits than its factorization.

90004056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750178 (or 3750174 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 90004056 is about 9487.0467480665. The cubic root of 90004056 is about 448.1472066204.

The spelling of 90004056 in words is "ninety million, four thousand, fifty-six".