18093768 has 64 divisors (see below), whose sum is σ = 56401920. Its totient is φ = 4699200.

The previous prime is 18093749. The next prime is 18093773. The reversal of 18093768 is 86739081.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3048 + ... + 6743.

It is an arithmetic number, because the mean of its divisors is an integer number (881280).

Almost surely, 2^18093768 is an apocalyptic number.

It is an amenable number.

18093768 is an abundant number, since it is smaller than the sum of its proper divisors (38308152).

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

18093768 is a wasteful number, since it uses less digits than its factorization.

18093768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9818 (or 9814 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 18093768 is about 4253.6769976104. The cubic root of 18093768 is about 262.5284286671.

The spelling of 18093768 in words is "eighteen million, ninety-three thousand, seven hundred sixty-eight".