656026 has 16 divisors (see below), whose sum is σ = 1149696. Its totient is φ = 274896.

The previous prime is 656023. The next prime is 656039. The reversal of 656026 is 620656.

It is a super-2 number, since 2×656026² = 860740225352, which contains 22 as substring.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656023) 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, 160 + ... + 1156.

It is an arithmetic number, because the mean of its divisors is an integer number (71856).

2⁶⁵⁶⁰²⁶ is an apocalyptic number.

656026 is a deficient number, since it is larger than the sum of its proper divisors (493670).

656026 is a wasteful number, since it uses less digits than its factorization.

656026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 656026 is about 809.9543196996. The cubic root of 656026 is about 86.8907776323.

The spelling of 656026 in words is "six hundred fifty-six thousand, twenty-six".