9664788 has 24 divisors (see below), whose sum is σ = 25772992. Its totient is φ = 2761344.

The previous prime is 9664771. The next prime is 9664793. The reversal of 9664788 is 8874669.

It is an Ulam number.

It is a congruent number.

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 in 7 ways as a sum of consecutive naturals, for example, 57445 + ... + 57612.

Almost surely, 2^9664788 is an apocalyptic number.

It is an amenable number.

9664788 is an abundant number, since it is smaller than the sum of its proper divisors (16108204).

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

9664788 is a wasteful number, since it uses less digits than its factorization.

9664788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115071 (or 115069 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 9664788 is about 3108.8242150369. The cubic root of 9664788 is about 213.0087501089.

The spelling of 9664788 in words is "nine million, six hundred sixty-four thousand, seven hundred eighty-eight".