859172 has 12 divisors (see below), whose sum is σ = 1510320. Its totient is φ = 427656.

The previous prime is 859121. The next prime is 859181. The reversal of 859172 is 271958.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 859172.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1079 + ... + 1697.

It is an arithmetic number, because the mean of its divisors is an integer number (125860).

2⁸⁵⁹¹⁷² is an apocalyptic number.

It is an amenable number.

859172 is a deficient number, since it is larger than the sum of its proper divisors (651148).

859172 is a wasteful number, since it uses less digits than its factorization.

859172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 968 counting only the distinct ones).

The product of its digits is 5040, while the sum is 32.

The square root of 859172 is about 926.9153143626. The cubic root of 859172 is about 95.0663248752.

The spelling of 859172 in words is "eight hundred fifty-nine thousand, one hundred seventy-two".