18047048 has 32 divisors (see below), whose sum is σ = 35380800. Its totient is φ = 8619072.

The previous prime is 18047039. The next prime is 18047059. The reversal of 18047048 is 84074081.

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, 24461 + ... + 25187.

It is an arithmetic number, because the mean of its divisors is an integer number (1105650).

Almost surely, 2^18047048 is an apocalyptic number.

It is an amenable number.

18047048 is a deficient number, since it is larger than the sum of its proper divisors (17333752).

18047048 is a wasteful number, since it uses less digits than its factorization.

18047048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 865 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 32.

The square root of 18047048 is about 4248.1817286929. The cubic root of 18047048 is about 262.3022752913.

The spelling of 18047048 in words is "eighteen million, forty-seven thousand, forty-eight".