18058008 has 32 divisors (see below), whose sum is σ = 45405360. Its totient is φ = 5984640.

The previous prime is 18057997. The next prime is 18058021. The reversal of 18058008 is 80085081.

It is a congruent number.

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, 2266 + ... + 6422.

Almost surely, 2^18058008 is an apocalyptic number.

It is an amenable number.

18058008 is an abundant number, since it is smaller than the sum of its proper divisors (27347352).

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

18058008 is a wasteful number, since it uses less digits than its factorization.

18058008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4347 (or 4343 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 18058008 is about 4249.4714965511. The cubic root of 18058008 is about 262.3553634043.

The spelling of 18058008 in words is "eighteen million, fifty-eight thousand, eight".