289204 has 12 divisors (see below), whose sum is σ = 536004. Its totient is φ = 136064.

The previous prime is 289193. The next prime is 289213. The reversal of 289204 is 402982.

289204 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 121104 + 168100 = 348^2 + 410^2 .

It is a congruent number.

It is an unprimeable number.

289204 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2059 + ... + 2194.

It is an arithmetic number, because the mean of its divisors is an integer number (44667).

2²⁸⁹²⁰⁴ is an apocalyptic number.

It is an amenable number.

289204 is a deficient number, since it is larger than the sum of its proper divisors (246800).

289204 is a wasteful number, since it uses less digits than its factorization.

289204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4274 (or 4272 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 289204 is about 537.7769054171. The cubic root of 289204 is about 66.1304429704.

The spelling of 289204 in words is "two hundred eighty-nine thousand, two hundred four".