859875 has 16 divisors (see below), whose sum is σ = 1431456. Its totient is φ = 458400.

The previous prime is 859861. The next prime is 859891. The reversal of 859875 is 578958.

It is not a de Polignac number, because 859875 - 2⁸ = 859619 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 772 + ... + 1521.

It is an arithmetic number, because the mean of its divisors is an integer number (89466).

2⁸⁵⁹⁸⁷⁵ is an apocalyptic number.

859875 is a deficient number, since it is larger than the sum of its proper divisors (571581).

859875 is a wasteful number, since it uses less digits than its factorization.

859875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311 (or 2301 counting only the distinct ones).

The product of its digits is 100800, while the sum is 42.

The square root of 859875 is about 927.2944516172. The cubic root of 859875 is about 95.0922465016.

The spelling of 859875 in words is "eight hundred fifty-nine thousand, eight hundred seventy-five".