18682368 has 40 divisors (see below), whose sum is σ = 49775088. Its totient is φ = 6226944.

The previous prime is 18682361. The next prime is 18682369. The reversal of 18682368 is 86328681.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (18682361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4546 + ... + 7617.

Almost surely, 2^18682368 is an apocalyptic number.

It is an amenable number.

18682368 is an abundant number, since it is smaller than the sum of its proper divisors (31092720).

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

18682368 is an equidigital number, since it uses as much as digits as its factorization.

18682368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12184 (or 12168 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 18682368 is about 4322.3104932432. The cubic root of 18682368 is about 265.3448364723.

The spelling of 18682368 in words is "eighteen million, six hundred eighty-two thousand, three hundred sixty-eight".