289532242 has 16 divisors (see below), whose sum is σ = 447576192. Its totient is φ = 140382880.

The previous prime is 289532239. The next prime is 289532251. The reversal of 289532242 is 242235982.

289532242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3123 + ... + 24265.

It is an arithmetic number, because the mean of its divisors is an integer number (27973512).

Almost surely, 2^289532242 is an apocalyptic number.

289532242 is a deficient number, since it is larger than the sum of its proper divisors (158043950).

289532242 is a wasteful number, since it uses less digits than its factorization.

289532242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21353.

The product of its digits is 69120, while the sum is 37.

The square root of 289532242 is about 17015.6469756516. The cubic root of 289532242 is about 661.5545251587.

The spelling of 289532242 in words is "two hundred eighty-nine million, five hundred thirty-two thousand, two hundred forty-two".