18030984 has 16 divisors (see below), whose sum is σ = 45077520. Its totient is φ = 6010320.

The previous prime is 18030977. The next prime is 18031007. The reversal of 18030984 is 48903081.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375622 + ... + 375669.

It is an arithmetic number, because the mean of its divisors is an integer number (2817345).

Almost surely, 2^18030984 is an apocalyptic number.

It is an amenable number.

18030984 is an abundant number, since it is smaller than the sum of its proper divisors (27046536).

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

18030984 is a wasteful number, since it uses less digits than its factorization.

18030984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751300 (or 751296 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 18030984 is about 4246.2906165264. The cubic root of 18030984 is about 262.2244255403.

The spelling of 18030984 in words is "eighteen million, thirty thousand, nine hundred eighty-four".