656336 has 40 divisors (see below), whose sum is σ = 1428480. Its totient is φ = 290304.

The previous prime is 656333. The next prime is 656347. The reversal of 656336 is 633656.

It is a junction number, because it is equal to n+sod(n) for n = 656299 and 656308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5105 + ... + 5231.

It is an arithmetic number, because the mean of its divisors is an integer number (35712).

2⁶⁵⁶³³⁶ 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 656336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714240).

656336 is an abundant number, since it is smaller than the sum of its proper divisors (772144).

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

656336 is a wasteful number, since it uses less digits than its factorization.

656336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 165 counting only the distinct ones).

The product of its digits is 9720, while the sum is 29.

The square root of 656336 is about 810.1456659145. The cubic root of 656336 is about 86.9044619981.

The spelling of 656336 in words is "six hundred fifty-six thousand, three hundred thirty-six".