289112 has 16 divisors (see below), whose sum is σ = 550800. Its totient is φ = 142240.

The previous prime is 289111. The next prime is 289127. The reversal of 289112 is 211982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314 + ... + 822.

It is an arithmetic number, because the mean of its divisors is an integer number (34425).

2²⁸⁹¹¹² is an apocalyptic number.

It is an amenable number.

289112 is a deficient number, since it is larger than the sum of its proper divisors (261688).

289112 is a wasteful number, since it uses less digits than its factorization.

289112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586 (or 582 counting only the distinct ones).

The product of its digits is 288, while the sum is 23.

The square root of 289112 is about 537.6913612845. The cubic root of 289112 is about 66.1234298747.

The spelling of 289112 in words is "two hundred eighty-nine thousand, one hundred twelve".