656896 has 20 divisors (see below), whose sum is σ = 1313532. Its totient is φ = 328192.

The previous prime is 656891. The next prime is 656917. The reversal of 656896 is 698656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130 + ... + 1153.

2⁶⁵⁶⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

656896 is a deficient number, since it is larger than the sum of its proper divisors (656636).

656896 is an equidigital number, since it uses as much as digits as its factorization.

656896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301 (or 1285 counting only the distinct ones).

The product of its digits is 77760, while the sum is 40.

The square root of 656896 is about 810.4912090825. The cubic root of 656896 is about 86.9291712244.

The spelling of 656896 in words is "six hundred fifty-six thousand, eight hundred ninety-six".