856359 has 32 divisors (see below), whose sum is σ = 1520640. Its totient is φ = 465696.

The previous prime is 856351. The next prime is 856369. The reversal of 856359 is 953658.

It is not a de Polignac number, because 856359 - 2³ = 856351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4249 + ... + 4445.

It is an arithmetic number, because the mean of its divisors is an integer number (47520).

2⁸⁵⁶³⁵⁹ is an apocalyptic number.

856359 is a deficient number, since it is larger than the sum of its proper divisors (664281).

856359 is a wasteful number, since it uses less digits than its factorization.

856359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 230 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 856359 is about 925.3966717035. The cubic root of 856359 is about 94.9624597751.

The spelling of 856359 in words is "eight hundred fifty-six thousand, three hundred fifty-nine".