289258 has 4 divisors (see below), whose sum is σ = 433890. Its totient is φ = 144628.

The previous prime is 289253. The next prime is 289273. The reversal of 289258 is 852982.

289258 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 182329 + 106929 = 427^2 + 327^2 .

It is not an unprimeable number, because it can be changed into a prime (289253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72313 + ... + 72316.

2²⁸⁹²⁵⁸ is an apocalyptic number.

289258 is a deficient number, since it is larger than the sum of its proper divisors (144632).

289258 is a wasteful number, since it uses less digits than its factorization.

289258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144631.

The product of its digits is 11520, while the sum is 34.

The square root of 289258 is about 537.8271097667. The cubic root of 289258 is about 66.1345586600.

The spelling of 289258 in words is "two hundred eighty-nine thousand, two hundred fifty-eight".