289208 has 8 divisors (see below), whose sum is σ = 542280. Its totient is φ = 144600.

The previous prime is 289193. The next prime is 289213. The reversal of 289208 is 802982.

289208 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

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 289208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18068 + ... + 18083.

It is an arithmetic number, because the mean of its divisors is an integer number (67785).

2²⁸⁹²⁰⁸ is an apocalyptic number.

It is an amenable number.

289208 is a deficient number, since it is larger than the sum of its proper divisors (253072).

289208 is a wasteful number, since it uses less digits than its factorization.

289208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36157 (or 36153 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 289208 is about 537.7806244185. The cubic root of 289208 is about 66.1307478539.

The spelling of 289208 in words is "two hundred eighty-nine thousand, two hundred eight".