18608 has 10 divisors (see below), whose sum is σ = 36084. Its totient is φ = 9296.

The previous prime is 18593. The next prime is 18617. The reversal of 18608 is 80681.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 18608.

It is an unprimeable number.

18608 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566 + ... + 597.

2¹⁸⁶⁰⁸ is an apocalyptic number.

It is an amenable number.

18608 is a deficient number, since it is larger than the sum of its proper divisors (17476).

18608 is a wasteful number, since it uses less digits than its factorization.

18608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171 (or 1165 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 18608 is about 136.4111432398. The cubic root of 18608 is about 26.4992286473.

It can be divided in two parts, 18 and 608, that added together give a palindrome (626).

The spelling of 18608 in words is "eighteen thousand, six hundred eight".