18057484 has 12 divisors (see below), whose sum is σ = 32974704. Its totient is φ = 8636144.

The previous prime is 18057449. The next prime is 18057491. The reversal of 18057484 is 48475081.

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, 98047 + ... + 98230.

It is an arithmetic number, because the mean of its divisors is an integer number (2747892).

Almost surely, 2^18057484 is an apocalyptic number.

It is an amenable number.

18057484 is a deficient number, since it is larger than the sum of its proper divisors (14917220).

18057484 is a wasteful number, since it uses less digits than its factorization.

18057484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196304 (or 196302 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 18057484 is about 4249.4098413780. The cubic root of 18057484 is about 262.3528257390.

The spelling of 18057484 in words is "eighteen million, fifty-seven thousand, four hundred eighty-four".