173965 has 8 divisors (see below), whose sum is σ = 227808. Its totient is φ = 126480.

The previous prime is 173933. The next prime is 173969. The reversal of 173965 is 569371.

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

It is not a de Polignac number, because 173965 - 2⁵ = 173933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (173969) 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, 1527 + ... + 1636.

It is an arithmetic number, because the mean of its divisors is an integer number (28476).

2¹⁷³⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

173965 is a deficient number, since it is larger than the sum of its proper divisors (53843).

173965 is a wasteful number, since it uses less digits than its factorization.

173965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3179.

The product of its digits is 5670, while the sum is 31.

The square root of 173965 is about 417.0911171435. The cubic root of 173965 is about 55.8239582289.

The spelling of 173965 in words is "one hundred seventy-three thousand, nine hundred sixty-five".