18332 has 6 divisors (see below), whose sum is σ = 32088. Its totient is φ = 9164.

The previous prime is 18329. The next prime is 18341. The reversal of 18332 is 23381.

18332 is nontrivially palindromic in base 8.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 18332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2288 + ... + 2295.

It is an arithmetic number, because the mean of its divisors is an integer number (5348).

2¹⁸³³² is an apocalyptic number.

It is an amenable number.

18332 is a deficient number, since it is larger than the sum of its proper divisors (13756).

18332 is a wasteful number, since it uses less digits than its factorization.

18332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587 (or 4585 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 18332 is about 135.3957163281. The cubic root of 18332 is about 26.3675604003.

The spelling of 18332 in words is "eighteen thousand, three hundred thirty-two".