18328108 has 24 divisors (see below), whose sum is σ = 34095600. Its totient is φ = 8590848.

The previous prime is 18328097. The next prime is 18328109. The reversal of 18328108 is 80182381.

It is a self number, because there is not a number n which added to its sum of digits gives 18328108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18328109) 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, 27483 + ... + 28141.

It is an arithmetic number, because the mean of its divisors is an integer number (1420650).

Almost surely, 2^18328108 is an apocalyptic number.

It is an amenable number.

18328108 is a deficient number, since it is larger than the sum of its proper divisors (15767492).

18328108 is a wasteful number, since it uses less digits than its factorization.

18328108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1087 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 18328108 is about 4281.1339619311. The cubic root of 18328108 is about 263.6569426807.

The spelling of 18328108 in words is "eighteen million, three hundred twenty-eight thousand, one hundred eight".