18056964 has 12 divisors (see below), whose sum is σ = 42132944. Its totient is φ = 6018984.

The previous prime is 18056959. The next prime is 18056981. The reversal of 18056964 is 46965081.

It is a tau number, because it is divible by the number of its divisors (12).

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, 752362 + ... + 752385.

Almost surely, 2^18056964 is an apocalyptic number.

It is an amenable number.

18056964 is an abundant number, since it is smaller than the sum of its proper divisors (24075980).

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

18056964 is a wasteful number, since it uses less digits than its factorization.

18056964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504754 (or 1504752 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 18056964 is about 4249.3486559707. The cubic root of 18056964 is about 262.3503073967.

The spelling of 18056964 in words is "eighteen million, fifty-six thousand, nine hundred sixty-four".