289172 has 24 divisors (see below), whose sum is σ = 559776. Its totient is φ = 129888.

The previous prime is 289171. The next prime is 289181. The reversal of 289172 is 271982.

It is a happy number.

It is a nialpdrome in base 14.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289172.

It is not an unprimeable number, because it can be changed into a prime (289171) 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, 3443 + ... + 3525.

It is an arithmetic number, because the mean of its divisors is an integer number (23324).

2²⁸⁹¹⁷² is an apocalyptic number.

It is an amenable number.

289172 is a deficient number, since it is larger than the sum of its proper divisors (270604).

289172 is a wasteful number, since it uses less digits than its factorization.

289172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 165 counting only the distinct ones).

The product of its digits is 2016, while the sum is 29.

The square root of 289172 is about 537.7471524797. The cubic root of 289172 is about 66.1280038015.

The spelling of 289172 in words is "two hundred eighty-nine thousand, one hundred seventy-two".