289395 has 24 divisors (see below), whose sum is σ = 514800. Its totient is φ = 150336.

The previous prime is 289381. The next prime is 289397. The reversal of 289395 is 593982.

It is not a de Polignac number, because 289395 - 2⁸ = 289139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2601 + ... + 2709.

It is an arithmetic number, because the mean of its divisors is an integer number (21450).

2²⁸⁹³⁹⁵ is an apocalyptic number.

289395 is a deficient number, since it is larger than the sum of its proper divisors (225405).

289395 is a wasteful number, since it uses less digits than its factorization.

289395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 176 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 289395 is about 537.9544590391. The cubic root of 289395 is about 66.1449980192.

The spelling of 289395 in words is "two hundred eighty-nine thousand, three hundred ninety-five".