656848 has 20 divisors (see below), whose sum is σ = 1295428. Its totient is φ = 322560.

The previous prime is 656839. The next prime is 656891. The reversal of 656848 is 848656.

It can be written as a sum of positive squares in 2 ways, for example, as 97344 + 559504 = 312^2 + 748^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 640 + ... + 1312.

2⁶⁵⁶⁸⁴⁸ is an apocalyptic number.

It is an amenable number.

656848 is a deficient number, since it is larger than the sum of its proper divisors (638580).

656848 is a wasteful number, since it uses less digits than its factorization.

656848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742 (or 736 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 656848 is about 810.4615968693. The cubic root of 656848 is about 86.9270538411.

The spelling of 656848 in words is "six hundred fifty-six thousand, eight hundred forty-eight".