289315 has 8 divisors (see below), whose sum is σ = 373968. Its totient is φ = 213600.

The previous prime is 289309. The next prime is 289319. The reversal of 289315 is 513982.

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

It is not a de Polignac number, because 289315 - 2⁵ = 289283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (289319) 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, 2161 + ... + 2290.

It is an arithmetic number, because the mean of its divisors is an integer number (46746).

2²⁸⁹³¹⁵ is an apocalyptic number.

289315 is a deficient number, since it is larger than the sum of its proper divisors (84653).

289315 is a wasteful number, since it uses less digits than its factorization.

289315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4469.

The product of its digits is 2160, while the sum is 28.

The square root of 289315 is about 537.8800981632. The cubic root of 289315 is about 66.1389024434.

The spelling of 289315 in words is "two hundred eighty-nine thousand, three hundred fifteen".