656344 has 16 divisors (see below), whose sum is σ = 1325520. Its totient is φ = 302880.

The previous prime is 656333. The next prime is 656347. The reversal of 656344 is 443656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656347) by changing a digit.

656344 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 3 ways as a sum of consecutive naturals, for example, 3052 + ... + 3259.

It is an arithmetic number, because the mean of its divisors is an integer number (82845).

2⁶⁵⁶³⁴⁴ is an apocalyptic number.

It is an amenable number.

656344 is an abundant number, since it is smaller than the sum of its proper divisors (669176).

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

656344 is a wasteful number, since it uses less digits than its factorization.

656344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6330 (or 6326 counting only the distinct ones).

The product of its digits is 8640, while the sum is 28.

The square root of 656344 is about 810.1506032831. The cubic root of 656344 is about 86.9048150860.

It can be divided in two parts, 656 and 344, that added together give a cube (1000 = 10³).

The spelling of 656344 in words is "six hundred fifty-six thousand, three hundred forty-four".