7936656 has 160 divisors (see below), whose sum is σ = 26664960. Its totient is φ = 1976832.

The previous prime is 7936631. The next prime is 7936667. The reversal of 7936656 is 6566397.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100425 + ... + 100503.

It is an arithmetic number, because the mean of its divisors is an integer number (166656).

Almost surely, 2^7936656 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 7936656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13332480).

7936656 is an abundant number, since it is smaller than the sum of its proper divisors (18728304).

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

7936656 is a wasteful number, since it uses less digits than its factorization.

7936656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 127 counting only the distinct ones).

The product of its digits is 204120, while the sum is 42.

The square root of 7936656 is about 2817.2071276355. The cubic root of 7936656 is about 199.4707339561.

The spelling of 7936656 in words is "seven million, nine hundred thirty-six thousand, six hundred fifty-six".