18025924 has 18 divisors (see below), whose sum is σ = 36696030. Its totient is φ = 7725312.

The previous prime is 18025921. The next prime is 18025961. The reversal of 18025924 is 42952081.

It can be written as a sum of positive squares in only one way, i.e., 16257024 + 1768900 = 4032^2 + 1330^2 .

It is not an unprimeable number, because it can be changed into a prime (18025921) 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, 45789 + ... + 46180.

Almost surely, 2^18025924 is an apocalyptic number.

18025924 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18025924 is an abundant number, since it is smaller than the sum of its proper divisors (18670106).

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

18025924 is a wasteful number, since it uses less digits than its factorization.

18025924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91987 (or 91978 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 18025924 is about 4245.6947605781. The cubic root of 18025924 is about 262.1998940685.

The spelling of 18025924 in words is "eighteen million, twenty-five thousand, nine hundred twenty-four".