18314864 has 20 divisors (see below), whose sum is σ = 36351840. Its totient is φ = 8933760.

The previous prime is 18314851. The next prime is 18314867. The reversal of 18314864 is 46841381.

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18314867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13304 + ... + 14615.

It is an arithmetic number, because the mean of its divisors is an integer number (1817592).

Almost surely, 2^18314864 is an apocalyptic number.

It is an amenable number.

18314864 is a deficient number, since it is larger than the sum of its proper divisors (18036976).

18314864 is a wasteful number, since it uses less digits than its factorization.

18314864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27968 (or 27962 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 18314864 is about 4279.5868959515. The cubic root of 18314864 is about 263.5934206854.

The spelling of 18314864 in words is "eighteen million, three hundred fourteen thousand, eight hundred sixty-four".