289902 has 16 divisors (see below), whose sum is σ = 610560. Its totient is φ = 91512.

The previous prime is 289897. The next prime is 289937. The reversal of 289902 is 209982.

It is a self number, because there is not a number n which added to its sum of digits gives 289902.

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 289902.

It is an unprimeable number.

289902 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 7 ways as a sum of consecutive naturals, for example, 1158 + ... + 1385.

It is an arithmetic number, because the mean of its divisors is an integer number (38160).

2²⁸⁹⁹⁰² is an apocalyptic number.

289902 is an abundant number, since it is smaller than the sum of its proper divisors (320658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289902 is a wasteful number, since it uses less digits than its factorization.

289902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2567.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 289902 is about 538.4254823093. The cubic root of 289902 is about 66.1836026358.

The spelling of 289902 in words is "two hundred eighty-nine thousand, nine hundred two".