18568804 has 12 divisors (see below), whose sum is σ = 32794300. Its totient is φ = 9199008.

The previous prime is 18568799. The next prime is 18568813. The reversal of 18568804 is 40886581.

It can be written as a sum of positive squares in 2 ways, for example, as 7279204 + 11289600 = 2698^2 + 3360^2 .

It is a super-4 number, since 4×18568804⁴ (a number of 30 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20859 + ... + 21730.

Almost surely, 2^18568804 is an apocalyptic number.

It is an amenable number.

18568804 is a deficient number, since it is larger than the sum of its proper divisors (14225496).

18568804 is a wasteful number, since it uses less digits than its factorization.

18568804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42702 (or 42700 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 18568804 is about 4309.1535131624. The cubic root of 18568804 is about 264.8060952464.

The spelling of 18568804 in words is "eighteen million, five hundred sixty-eight thousand, eight hundred four".