18634252 has 24 divisors (see below), whose sum is σ = 40136096. Its totient is φ = 7371648.

The previous prime is 18634243. The next prime is 18634277. The reversal of 18634252 is 25243681.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25233 + ... + 25960.

Almost surely, 2^18634252 is an apocalyptic number.

It is an amenable number.

18634252 is an abundant number, since it is smaller than the sum of its proper divisors (21501844).

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

18634252 is a wasteful number, since it uses less digits than its factorization.

18634252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51217 (or 51215 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 18634252 is about 4316.7409002626. The cubic root of 18634252 is about 265.1168441658.

The spelling of 18634252 in words is "eighteen million, six hundred thirty-four thousand, two hundred fifty-two".