18596872 has 24 divisors (see below), whose sum is σ = 40562910. Its totient is φ = 7969920.

The previous prime is 18596849. The next prime is 18596873. The reversal of 18596872 is 27869581.

It can be written as a sum of positive squares in only one way, i.e., 16597476 + 1999396 = 4074^2 + 1414^2 .

It is not an unprimeable number, because it can be changed into a prime (18596873) 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, 23329 + ... + 24112.

Almost surely, 2^18596872 is an apocalyptic number.

It is an amenable number.

18596872 is an abundant number, since it is smaller than the sum of its proper divisors (21966038).

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

18596872 is a wasteful number, since it uses less digits than its factorization.

18596872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47461 (or 47450 counting only the distinct ones).

The product of its digits is 241920, while the sum is 46.

The square root of 18596872 is about 4312.4090715052. The cubic root of 18596872 is about 264.9394521691.

The spelling of 18596872 in words is "eighteen million, five hundred ninety-six thousand, eight hundred seventy-two".