18408068 has 12 divisors (see below), whose sum is σ = 36816192. Its totient is φ = 7889160.

The previous prime is 18408053. The next prime is 18408077. The reversal of 18408068 is 86080481.

18408068 is an admirable number.

It is a hoax number, since the sum of its digits (35) 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, 328688 + ... + 328743.

It is an arithmetic number, because the mean of its divisors is an integer number (3068016).

Almost surely, 2^18408068 is an apocalyptic number.

It is an amenable number.

18408068 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18408068 is a wasteful number, since it uses less digits than its factorization.

18408068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657442 (or 657440 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 18408068 is about 4290.4624459375. The cubic root of 18408068 is about 264.0398049867.

The spelling of 18408068 in words is "eighteen million, four hundred eight thousand, sixty-eight".