18382768 has 20 divisors (see below), whose sum is σ = 35776728. Its totient is φ = 9150080.

The previous prime is 18382759. The next prime is 18382769. The reversal of 18382768 is 86728381.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18382769) 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, 1263 + ... + 6193.

Almost surely, 2^18382768 is an apocalyptic number.

It is an amenable number.

18382768 is a deficient number, since it is larger than the sum of its proper divisors (17393960).

18382768 is a wasteful number, since it uses less digits than its factorization.

18382768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5172 (or 5166 counting only the distinct ones).

The product of its digits is 129024, while the sum is 43.

The square root of 18382768 is about 4287.5130320502. The cubic root of 18382768 is about 263.9187843229.

The spelling of 18382768 in words is "eighteen million, three hundred eighty-two thousand, seven hundred sixty-eight".