856475 has 6 divisors (see below), whose sum is σ = 1062060. Its totient is φ = 685160.

The previous prime is 856469. The next prime is 856483. The reversal of 856475 is 574658.

856475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 856475 - 2⁴ = 856459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17105 + ... + 17154.

It is an arithmetic number, because the mean of its divisors is an integer number (177010).

2⁸⁵⁶⁴⁷⁵ is an apocalyptic number.

856475 is a deficient number, since it is larger than the sum of its proper divisors (205585).

856475 is a wasteful number, since it uses less digits than its factorization.

856475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34269 (or 34264 counting only the distinct ones).

The product of its digits is 33600, while the sum is 35.

The square root of 856475 is about 925.4593454064. The cubic root of 856475 is about 94.9667473648.

It can be divided in two parts, 856 and 475, that added together give a palindrome (1331).

The spelling of 856475 in words is "eight hundred fifty-six thousand, four hundred seventy-five".