9764656 has 40 divisors (see below), whose sum is σ = 20869200. Its totient is φ = 4389120.

The previous prime is 9764641. The next prime is 9764663. The reversal of 9764656 is 6564679.

It is a nialpdrome in base 5.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18930 + ... + 19438.

It is an arithmetic number, because the mean of its divisors is an integer number (521730).

Almost surely, 2^9764656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9764656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10434600).

9764656 is an abundant number, since it is smaller than the sum of its proper divisors (11104544).

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

9764656 is a wasteful number, since it uses less digits than its factorization.

9764656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637 (or 631 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 9764656 is about 3124.8449561538. The cubic root of 9764656 is about 213.7399233762.

The spelling of 9764656 in words is "nine million, seven hundred sixty-four thousand, six hundred fifty-six".