170039 has 4 divisors (see below), whose sum is σ = 177456. Its totient is φ = 162624.

The previous prime is 170029. The next prime is 170047. The reversal of 170039 is 930071.

170039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 170039 - 2⁸ = 169783 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 170039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3674 + ... + 3719.

It is an arithmetic number, because the mean of its divisors is an integer number (44364).

2¹⁷⁰⁰³⁹ is an apocalyptic number.

170039 is a deficient number, since it is larger than the sum of its proper divisors (7417).

170039 is an equidigital number, since it uses as much as digits as its factorization.

170039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7416.

The product of its (nonzero) digits is 189, while the sum is 20.

The square root of 170039 is about 412.3578542965. The cubic root of 170039 is about 55.4008184529.

The spelling of 170039 in words is "one hundred seventy thousand, thirty-nine".