18264974 has 16 divisors (see below), whose sum is σ = 33720288. Its totient is φ = 7225632.

The previous prime is 18264959. The next prime is 18264979. The reversal of 18264974 is 47946281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18264979) 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 7 ways as a sum of consecutive naturals, for example, 49997 + ... + 50360.

It is an arithmetic number, because the mean of its divisors is an integer number (2107518).

Almost surely, 2^18264974 is an apocalyptic number.

18264974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18264974 is a deficient number, since it is larger than the sum of its proper divisors (15455314).

18264974 is a wasteful number, since it uses less digits than its factorization.

18264974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100379.

The product of its digits is 96768, while the sum is 41.

The square root of 18264974 is about 4273.7540874505. The cubic root of 18264974 is about 263.3538587145.

It can be divided in two parts, 182 and 64974, that added together give a palindrome (65156).

The spelling of 18264974 in words is "eighteen million, two hundred sixty-four thousand, nine hundred seventy-four".