289422 has 24 divisors (see below), whose sum is σ = 716976. Its totient is φ = 82656.

The previous prime is 289417. The next prime is 289423. The reversal of 289422 is 224982.

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 289422.

It is not an unprimeable number, because it can be changed into a prime (289423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1023 + ... + 1274.

It is an arithmetic number, because the mean of its divisors is an integer number (29874).

2²⁸⁹⁴²² is an apocalyptic number.

289422 is an abundant number, since it is smaller than the sum of its proper divisors (427554).

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

289422 is a wasteful number, since it uses less digits than its factorization.

289422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312 (or 2309 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 289422 is about 537.9795535148. The cubic root of 289422 is about 66.1470550225.

It can be divided in two parts, 2894 and 22, that added together give a square (2916 = 54²).

The spelling of 289422 in words is "two hundred eighty-nine thousand, four hundred twenty-two".