18008952 has 64 divisors (see below), whose sum is σ = 48898080. Its totient is φ = 5494272.

The previous prime is 18008917. The next prime is 18008989. The reversal of 18008952 is 25980081.

It is a happy number.

It is a congruent number.

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, 61318 + ... + 61610.

Almost surely, 2^18008952 is an apocalyptic number.

18008952 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 18008952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24449040).

18008952 is an abundant number, since it is smaller than the sum of its proper divisors (30889128).

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

18008952 is a wasteful number, since it uses less digits than its factorization.

18008952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 508 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 18008952 is about 4243.6955592973. The cubic root of 18008952 is about 262.1175782889.

The spelling of 18008952 in words is "eighteen million, eight thousand, nine hundred fifty-two".