18330882 has 16 divisors (see below), whose sum is σ = 37104480. Its totient is φ = 6036512.

The previous prime is 18330881. The next prime is 18330883. The reversal of 18330882 is 28803381.

It is an interprime number because it is at equal distance from previous prime (18330881) and next prime (18330883).

It is not an unprimeable number, because it can be changed into a prime (18330881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17907 + ... + 18902.

It is an arithmetic number, because the mean of its divisors is an integer number (2319030).

Almost surely, 2^18330882 is an apocalyptic number.

18330882 is an abundant number, since it is smaller than the sum of its proper divisors (18773598).

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

18330882 is a wasteful number, since it uses less digits than its factorization.

18330882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36897.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 18330882 is about 4281.4579292573. The cubic root of 18330882 is about 263.6702436983.

The spelling of 18330882 in words is "eighteen million, three hundred thirty thousand, eight hundred eighty-two".