18182332 has 18 divisors (see below), whose sum is σ = 37014432. Its totient is φ = 7792344.

The previous prime is 18182309. The next prime is 18182369. The reversal of 18182332 is 23328181.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 18182332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46188 + ... + 46579.

Almost surely, 2^18182332 is an apocalyptic number.

It is an amenable number.

18182332 is an abundant number, since it is smaller than the sum of its proper divisors (18832100).

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

18182332 is a wasteful number, since it uses less digits than its factorization.

18182332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92785 (or 92776 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 18182332 is about 4264.0745772090. The cubic root of 18182332 is about 262.9560664324.

The spelling of 18182332 in words is "eighteen million, one hundred eighty-two thousand, three hundred thirty-two".