18996324 has 12 divisors (see below), whose sum is σ = 44324784. Its totient is φ = 6332104.

The previous prime is 18996323. The next prime is 18996331. The reversal of 18996324 is 42369981.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (18996323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 791502 + ... + 791525.

It is an arithmetic number, because the mean of its divisors is an integer number (3693732).

Almost surely, 2^18996324 is an apocalyptic number.

It is an amenable number.

18996324 is an abundant number, since it is smaller than the sum of its proper divisors (25328460).

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

18996324 is a wasteful number, since it uses less digits than its factorization.

18996324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583034 (or 1583032 counting only the distinct ones).

The product of its digits is 93312, while the sum is 42.

The square root of 18996324 is about 4358.4772570245. The cubic root of 18996324 is about 266.8229549123.

The spelling of 18996324 in words is "eighteen million, nine hundred ninety-six thousand, three hundred twenty-four".