170860 has 12 divisors (see below), whose sum is σ = 358848. Its totient is φ = 68336.

The previous prime is 170857. The next prime is 170873. The reversal of 170860 is 68071.

170860 = T₃₃₆ + T₃₃₇ + T₃₃₈.

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, 4252 + ... + 4291.

It is an arithmetic number, because the mean of its divisors is an integer number (29904).

2¹⁷⁰⁸⁶⁰ is an apocalyptic number.

170860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

170860 is the 338-th centered triangular number.

It is an amenable number.

170860 is an abundant number, since it is smaller than the sum of its proper divisors (187988).

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

170860 is a wasteful number, since it uses less digits than its factorization.

170860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8552 (or 8550 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 170860 is about 413.3521501093. The cubic root of 170860 is about 55.4898393325.

The spelling of 170860 in words is "one hundred seventy thousand, eight hundred sixty".