170864 has 20 divisors (see below), whose sum is σ = 338520. Its totient is φ = 83520.

The previous prime is 170857. The next prime is 170873. The reversal of 170864 is 468071.

170864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 854 + ... + 1034.

It is an arithmetic number, because the mean of its divisors is an integer number (16926).

2¹⁷⁰⁸⁶⁴ is an apocalyptic number.

It is an amenable number.

170864 is a deficient number, since it is larger than the sum of its proper divisors (167656).

170864 is a wasteful number, since it uses less digits than its factorization.

170864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 170864 is about 413.3569885704. The cubic root of 170864 is about 55.4902723529.

The spelling of 170864 in words is "one hundred seventy thousand, eight hundred sixty-four".