18230908 has 12 divisors (see below), whose sum is σ = 33004440. Its totient is φ = 8801072.

The previous prime is 18230903. The next prime is 18230911. The reversal of 18230908 is 80903281.

It is a self number, because there is not a number n which added to its sum of digits gives 18230908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18230903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78466 + ... + 78697.

It is an arithmetic number, because the mean of its divisors is an integer number (2750370).

Almost surely, 2^18230908 is an apocalyptic number.

It is an amenable number.

18230908 is a deficient number, since it is larger than the sum of its proper divisors (14773532).

18230908 is a wasteful number, since it uses less digits than its factorization.

18230908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157196 (or 157194 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 18230908 is about 4269.7667383594. The cubic root of 18230908 is about 263.1900297403.

The spelling of 18230908 in words is "eighteen million, two hundred thirty thousand, nine hundred eight".