7964656 has 30 divisors (see below), whose sum is σ = 17952720. Its totient is φ = 3413088.

The previous prime is 7964651. The next prime is 7964683. The reversal of 7964656 is 6564697.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7964651) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 4296 + ... + 5863.

It is an arithmetic number, because the mean of its divisors is an integer number (598424).

Almost surely, 2^7964656 is an apocalyptic number.

It is an amenable number.

7964656 is an abundant number, since it is smaller than the sum of its proper divisors (9988064).

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

7964656 is a wasteful number, since it uses less digits than its factorization.

7964656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10181 (or 10168 counting only the distinct ones).

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

The square root of 7964656 is about 2822.1722130302. The cubic root of 7964656 is about 199.7050318495.

The spelling of 7964656 in words is "seven million, nine hundred sixty-four thousand, six hundred fifty-six".