18056328 has 32 divisors (see below), whose sum is σ = 46699200. Its totient is φ = 5811008.

The previous prime is 18056321. The next prime is 18056341. The reversal of 18056328 is 82365081.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18056321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12276 + ... + 13667.

It is an arithmetic number, because the mean of its divisors is an integer number (1459350).

Almost surely, 2^18056328 is an apocalyptic number.

It is an amenable number.

18056328 is an abundant number, since it is smaller than the sum of its proper divisors (28642872).

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

18056328 is a wasteful number, since it uses less digits than its factorization.

18056328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25981 (or 25977 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 18056328 is about 4249.2738203133. The cubic root of 18056328 is about 262.3472272045.

The spelling of 18056328 in words is "eighteen million, fifty-six thousand, three hundred twenty-eight".