9638764 has 12 divisors (see below), whose sum is σ = 16954000. Its totient is φ = 4794768.

The previous prime is 9638753. The next prime is 9638767. The reversal of 9638764 is 4678369.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9638764.

It is not an unprimeable number, because it can be changed into a prime (9638767) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 5259 + ... + 6850.

Almost surely, 2^9638764 is an apocalyptic number.

It is an amenable number.

9638764 is a deficient number, since it is larger than the sum of its proper divisors (7315236).

9638764 is a wasteful number, since it uses less digits than its factorization.

9638764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12312 (or 12310 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 9638764 is about 3104.6358884739. The cubic root of 9638764 is about 212.8173914499.

The spelling of 9638764 in words is "nine million, six hundred thirty-eight thousand, seven hundred sixty-four".