18796868 has 6 divisors (see below), whose sum is σ = 32894526. Its totient is φ = 9398432.

The previous prime is 18796847. The next prime is 18796879. The reversal of 18796868 is 86869781.

It can be written as a sum of positive squares in only one way, i.e., 16630084 + 2166784 = 4078^2 + 1472^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2349605 + ... + 2349612.

It is an arithmetic number, because the mean of its divisors is an integer number (5482421).

Almost surely, 2^18796868 is an apocalyptic number.

It is an amenable number.

18796868 is a deficient number, since it is larger than the sum of its proper divisors (14097658).

18796868 is a wasteful number, since it uses less digits than its factorization.

18796868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4699221 (or 4699219 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 53.

The square root of 18796868 is about 4335.5354917242. The cubic root of 18796868 is about 265.8858122585.

The spelling of 18796868 in words is "eighteen million, seven hundred ninety-six thousand, eight hundred sixty-eight".