18450084 has 24 divisors (see below), whose sum is σ = 44439808. Its totient is φ = 5951520.

The previous prime is 18450059. The next prime is 18450101. The reversal of 18450084 is 48005481.

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, 24427 + ... + 25170.

Almost surely, 2^18450084 is an apocalyptic number.

It is an amenable number.

18450084 is an abundant number, since it is smaller than the sum of its proper divisors (25989724).

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

18450084 is a wasteful number, since it uses less digits than its factorization.

18450084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49635 (or 49633 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 18450084 is about 4295.3560969959. The cubic root of 18450084 is about 264.2405406390.

The spelling of 18450084 in words is "eighteen million, four hundred fifty thousand, eighty-four".