289112043 has 16 divisors (see below), whose sum is σ = 431894016. Its totient is φ = 170483040.

The previous prime is 289112041. The next prime is 289112053. The reversal of 289112043 is 340211982.

It is not a de Polignac number, because 289112043 - 2¹ = 289112041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 289112043.

It is not an unprimeable number, because it can be changed into a prime (289112041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117171 + ... + 119612.

It is an arithmetic number, because the mean of its divisors is an integer number (26993376).

Almost surely, 2^289112043 is an apocalyptic number.

289112043 is a deficient number, since it is larger than the sum of its proper divisors (142781973).

289112043 is a wasteful number, since it uses less digits than its factorization.

289112043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236834.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 289112043 is about 17003.2950630165. The cubic root of 289112043 is about 661.2343315291.

The spelling of 289112043 in words is "two hundred eighty-nine million, one hundred twelve thousand, forty-three".