173089 has 8 divisors (see below), whose sum is σ = 200960. Its totient is φ = 146016.

The previous prime is 173087. The next prime is 173099. The reversal of 173089 is 980371.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 173089 - 2¹ = 173087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (173081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397 + ... + 709.

It is an arithmetic number, because the mean of its divisors is an integer number (25120).

2¹⁷³⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

173089 is a deficient number, since it is larger than the sum of its proper divisors (27871).

173089 is an equidigital number, since it uses as much as digits as its factorization.

173089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 173089 is about 416.0396615709. The cubic root of 173089 is about 55.7301000785.

The spelling of 173089 in words is "one hundred seventy-three thousand, eighty-nine".