656734 has 24 divisors (see below), whose sum is σ = 1119960. Its totient is φ = 288288.

The previous prime is 656707. The next prime is 656737. The reversal of 656734 is 437656.

It is a junction number, because it is equal to n+sod(n) for n = 656696 and 656705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9769 + ... + 9835.

It is an arithmetic number, because the mean of its divisors is an integer number (46665).

2⁶⁵⁶⁷³⁴ is an apocalyptic number.

656734 is a deficient number, since it is larger than the sum of its proper divisors (463226).

656734 is a wasteful number, since it uses less digits than its factorization.

656734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 111 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 656734 is about 810.3912635265. The cubic root of 656734 is about 86.9220246423.

The spelling of 656734 in words is "six hundred fifty-six thousand, seven hundred thirty-four".