9656964 has 72 divisors (see below), whose sum is σ = 25945920. Its totient is φ = 3022272.

The previous prime is 9656947. The next prime is 9656981. The reversal of 9656964 is 4696569.

9656964 = T₁₈₇ + T₁₈₈ + ... + T₄₀₀.

It is an interprime number because it is at equal distance from previous prime (9656947) and next prime (9656981).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88542 + ... + 88650.

It is an arithmetic number, because the mean of its divisors is an integer number (360360).

Almost surely, 2^9656964 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 9656964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12972960).

9656964 is an abundant number, since it is smaller than the sum of its proper divisors (16288956).

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

9656964 is a wasteful number, since it uses less digits than its factorization.

9656964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 244 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 9656964 is about 3107.5656067089. The cubic root of 9656964 is about 212.9512551288.

The spelling of 9656964 in words is "nine million, six hundred fifty-six thousand, nine hundred sixty-four".