18868108 has 24 divisors (see below), whose sum is σ = 38271744. Its totient is φ = 7971600.

The previous prime is 18868097. The next prime is 18868111. The reversal of 18868108 is 80186881.

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 7 ways as a sum of consecutive naturals, for example, 2758 + ... + 6733.

It is an arithmetic number, because the mean of its divisors is an integer number (1594656).

Almost surely, 2^18868108 is an apocalyptic number.

It is an amenable number.

18868108 is an abundant number, since it is smaller than the sum of its proper divisors (19403636).

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

18868108 is a wasteful number, since it uses less digits than its factorization.

18868108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9573 (or 9571 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 40.

The square root of 18868108 is about 4343.7435467578. The cubic root of 18868108 is about 266.2212905925.

The spelling of 18868108 in words is "eighteen million, eight hundred sixty-eight thousand, one hundred eight".