18875232 has 36 divisors (see below), whose sum is σ = 53677260. Its totient is φ = 6291648.

The previous prime is 18875231. The next prime is 18875239. The reversal of 18875232 is 23257881.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18875231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32482 + ... + 33057.

It is an arithmetic number, because the mean of its divisors is an integer number (1491035).

Almost surely, 2^18875232 is an apocalyptic number.

18875232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18875232 is an abundant number, since it is smaller than the sum of its proper divisors (34802028).

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

18875232 is a wasteful number, since it uses less digits than its factorization.

18875232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65555 (or 65544 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 18875232 is about 4344.5634993633. The cubic root of 18875232 is about 266.2547919524.

The spelling of 18875232 in words is "eighteen million, eight hundred seventy-five thousand, two hundred thirty-two".