18896664 has 16 divisors (see below), whose sum is σ = 47241720. Its totient is φ = 6298880.

The previous prime is 18896629. The next prime is 18896681. The reversal of 18896664 is 46669881.

It is a congruent number.

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, 393657 + ... + 393704.

Almost surely, 2^18896664 is an apocalyptic number.

It is an amenable number.

18896664 is an abundant number, since it is smaller than the sum of its proper divisors (28345056).

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

18896664 is a wasteful number, since it uses less digits than its factorization.

18896664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787370 (or 787366 counting only the distinct ones).

The product of its digits is 497664, while the sum is 48.

The square root of 18896664 is about 4347.0293304739. The cubic root of 18896664 is about 266.3555273903.

The spelling of 18896664 in words is "eighteen million, eight hundred ninety-six thousand, six hundred sixty-four".