18832872 has 64 divisors (see below), whose sum is σ = 51494400. Its totient is φ = 5713920.

The previous prime is 18832867. The next prime is 18832909. The reversal of 18832872 is 27823881.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 18832872.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11904 + ... + 13392.

It is an arithmetic number, because the mean of its divisors is an integer number (804600).

Almost surely, 2^18832872 is an apocalyptic number.

18832872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18832872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25747200).

18832872 is an abundant number, since it is smaller than the sum of its proper divisors (32661528).

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

18832872 is a wasteful number, since it uses less digits than its factorization.

18832872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546 (or 1542 counting only the distinct ones).

The product of its digits is 43008, while the sum is 39.

The square root of 18832872 is about 4339.6857029052. The cubic root of 18832872 is about 266.0554654722.

The spelling of 18832872 in words is "eighteen million, eight hundred thirty-two thousand, eight hundred seventy-two".