656196 has 24 divisors (see below), whose sum is σ = 1545600. Its totient is φ = 216672.

The previous prime is 656171. The next prime is 656221. The reversal of 656196 is 691656.

It is an interprime number because it is at equal distance from previous prime (656171) and next prime (656221).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 656196.

It is an unprimeable number.

656196 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 7 ways as a sum of consecutive naturals, for example, 1605 + ... + 1971.

It is an arithmetic number, because the mean of its divisors is an integer number (64400).

656196 is a Friedman number, since it can be written as (5^6*(6+1)-9)*6, using all its digits and the basic arithmetic operations.

2⁶⁵⁶¹⁹⁶ is an apocalyptic number.

It is an amenable number.

656196 is an abundant number, since it is smaller than the sum of its proper divisors (889404).

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

656196 is a wasteful number, since it uses less digits than its factorization.

656196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 521 counting only the distinct ones).

The product of its digits is 9720, while the sum is 33.

The square root of 656196 is about 810.0592570917. The cubic root of 656196 is about 86.8982824957.

The spelling of 656196 in words is "six hundred fifty-six thousand, one hundred ninety-six".