289055 has 8 divisors (see below), whose sum is σ = 373632. Its totient is φ = 213408.

The previous prime is 289049. The next prime is 289063. The reversal of 289055 is 550982.

289055 is nontrivially palindromic in base 15.

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

It is not a de Polignac number, because 289055 - 2⁴ = 289039 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 5.

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 289055.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2159 + ... + 2288.

It is an arithmetic number, because the mean of its divisors is an integer number (46704).

2²⁸⁹⁰⁵⁵ is an apocalyptic number.

289055 is a deficient number, since it is larger than the sum of its proper divisors (84577).

289055 is a wasteful number, since it uses less digits than its factorization.

289055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 289055 is about 537.6383542866. The cubic root of 289055 is about 66.1190840581.

The spelling of 289055 in words is "two hundred eighty-nine thousand, fifty-five".