856732 has 24 divisors (see below), whose sum is σ = 1629936. Its totient is φ = 392448.

The previous prime is 856721. The next prime is 856733. The reversal of 856732 is 237658.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 856694 and 856703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2778 + ... + 3070.

It is an arithmetic number, because the mean of its divisors is an integer number (67914).

2⁸⁵⁶⁷³² is an apocalyptic number.

It is an amenable number.

856732 is a deficient number, since it is larger than the sum of its proper divisors (773204).

856732 is a wasteful number, since it uses less digits than its factorization.

856732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 355 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 856732 is about 925.5981849593. The cubic root of 856732 is about 94.9762452148.

The spelling of 856732 in words is "eight hundred fifty-six thousand, seven hundred thirty-two".