18330800 has 30 divisors (see below), whose sum is σ = 44040708. Its totient is φ = 7332160.

The previous prime is 18330787. The next prime is 18330803. The reversal of 18330800 is 803381.

It is not an unprimeable number, because it can be changed into a prime (18330803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22514 + ... + 23313.

Almost surely, 2^18330800 is an apocalyptic number.

18330800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18330800 is an abundant number, since it is smaller than the sum of its proper divisors (25709908).

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

18330800 is a wasteful number, since it uses less digits than its factorization.

18330800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45845 (or 45834 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 18330800 is about 4281.4483530693. The cubic root of 18330800 is about 263.6698505368.

The spelling of 18330800 in words is "eighteen million, three hundred thirty thousand, eight hundred".