9638668 has 12 divisors (see below), whose sum is σ = 18165280. Its totient is φ = 4448592.

The previous prime is 9638659. The next prime is 9638743. The reversal of 9638668 is 8668369.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92628 + ... + 92731.

Almost surely, 2^9638668 is an apocalyptic number.

It is an amenable number.

9638668 is a deficient number, since it is larger than the sum of its proper divisors (8526612).

9638668 is a wasteful number, since it uses less digits than its factorization.

9638668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185376 (or 185374 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 9638668 is about 3104.6204276852. The cubic root of 9638668 is about 212.8166849092.

Subtracting from 9638668 its reverse (8668369), we obtain a cube (970299 = 99³).

The spelling of 9638668 in words is "nine million, six hundred thirty-eight thousand, six hundred sixty-eight".