656832 has 56 divisors (see below), whose sum is σ = 1901952. Its totient is φ = 198400.

The previous prime is 656819. The next prime is 656833. The reversal of 656832 is 238656.

It is a self number, because there is not a number n which added to its sum of digits gives 656832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656833) by changing a digit.

656832 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, 1957 + ... + 2267.

2⁶⁵⁶⁸³² 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 656832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950976).

656832 is an abundant number, since it is smaller than the sum of its proper divisors (1245120).

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

656832 is a wasteful number, since it uses less digits than its factorization.

656832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 327 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 656832 is about 810.4517258912. The cubic root of 656832 is about 86.9263480238.

The spelling of 656832 in words is "six hundred fifty-six thousand, eight hundred thirty-two".