18996344 has 32 divisors (see below), whose sum is σ = 39359520. Its totient is φ = 8549376.

The previous prime is 18996337. The next prime is 18996349. The reversal of 18996344 is 44369981.

It is a super-2 number, since 2×18996344² = 721722170732672, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18996295 and 18996304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18996349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92 + ... + 6164.

It is an arithmetic number, because the mean of its divisors is an integer number (1229985).

Almost surely, 2^18996344 is an apocalyptic number.

It is an amenable number.

18996344 is an abundant number, since it is smaller than the sum of its proper divisors (20363176).

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

18996344 is a wasteful number, since it uses less digits than its factorization.

18996344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6119 (or 6115 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 18996344 is about 4358.4795514032. The cubic root of 18996344 is about 266.8230485525.

The spelling of 18996344 in words is "eighteen million, nine hundred ninety-six thousand, three hundred forty-four".