860172 has 24 divisors (see below), whose sum is σ = 2054976. Its totient is φ = 279888.

The previous prime is 860143. The next prime is 860239. The reversal of 860172 is 271068.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318 + ... + 1349.

It is an arithmetic number, because the mean of its divisors is an integer number (85624).

2⁸⁶⁰¹⁷² is an apocalyptic number.

It is an amenable number.

860172 is an abundant number, since it is smaller than the sum of its proper divisors (1194804).

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

860172 is a wasteful number, since it uses less digits than its factorization.

860172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717 (or 1715 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 860172 is about 927.4545810982. The cubic root of 860172 is about 95.1031934983.

The spelling of 860172 in words is "eight hundred sixty thousand, one hundred seventy-two".