18312854 has 16 divisors (see below), whose sum is σ = 32242848. Its totient is φ = 7636032.

The previous prime is 18312841. The next prime is 18312863. The reversal of 18312854 is 45821381.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18312854.

It is a congruent number.

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, 17159 + ... + 18194.

It is an arithmetic number, because the mean of its divisors is an integer number (2015178).

Almost surely, 2^18312854 is an apocalyptic number.

18312854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18312854 is a deficient number, since it is larger than the sum of its proper divisors (13929994).

18312854 is a wasteful number, since it uses less digits than its factorization.

18312854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35399.

The product of its digits is 7680, while the sum is 32.

The square root of 18312854 is about 4279.3520537577. The cubic root of 18312854 is about 263.5837774769.

The spelling of 18312854 in words is "eighteen million, three hundred twelve thousand, eight hundred fifty-four".