289242 has 12 divisors (see below), whose sum is σ = 626730. Its totient is φ = 96408.

The previous prime is 289241. The next prime is 289243. The reversal of 289242 is 242982.

It is an interprime number because it is at equal distance from previous prime (289241) and next prime (289243).

It can be written as a sum of positive squares in only one way, i.e., 269361 + 19881 = 519^2 + 141^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289242.

It is not an unprimeable number, because it can be changed into a prime (289241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8017 + ... + 8052.

2²⁸⁹²⁴² is an apocalyptic number.

289242 is an abundant number, since it is smaller than the sum of its proper divisors (337488).

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

289242 is a wasteful number, since it uses less digits than its factorization.

289242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16077 (or 16074 counting only the distinct ones).

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

The square root of 289242 is about 537.8122348924. The cubic root of 289242 is about 66.1333392498.

The spelling of 289242 in words is "two hundred eighty-nine thousand, two hundred forty-two".