856902 has 32 divisors (see below), whose sum is σ = 1880064. Its totient is φ = 259200.

The previous prime is 856901. The next prime is 856903. The reversal of 856902 is 209658.

It is an interprime number because it is at equal distance from previous prime (856901) and next prime (856903).

It is a self number, because there is not a number n which added to its sum of digits gives 856902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (856901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3027 + ... + 3297.

It is an arithmetic number, because the mean of its divisors is an integer number (58752).

2⁸⁵⁶⁹⁰² is an apocalyptic number.

856902 is an abundant number, since it is smaller than the sum of its proper divisors (1023162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

856902 is a wasteful number, since it uses less digits than its factorization.

856902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 856902 is about 925.6900129093. The cubic root of 856902 is about 94.9825267956.

The spelling of 856902 in words is "eight hundred fifty-six thousand, nine hundred two".