656796 has 36 divisors (see below), whose sum is σ = 1784328. Its totient is φ = 187488.

The previous prime is 656791. The next prime is 656809. The reversal of 656796 is 697656.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656791) by changing a digit.

656796 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30 + ... + 1146.

2⁶⁵⁶⁷⁹⁶ 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 656796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892164).

656796 is an abundant number, since it is smaller than the sum of its proper divisors (1127532).

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

656796 is a wasteful number, since it uses less digits than its factorization.

656796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 1129 counting only the distinct ones).

The product of its digits is 68040, while the sum is 39.

The square root of 656796 is about 810.4295157508. The cubic root of 656796 is about 86.9247598928.

The spelling of 656796 in words is "six hundred fifty-six thousand, seven hundred ninety-six".