289022994 has 24 divisors (see below), whose sum is σ = 674387532. Its totient is φ = 88930080.

The previous prime is 289022963. The next prime is 289022999. The reversal of 289022994 is 499220982.

It can be written as a sum of positive squares in 2 ways, for example, as 248535225 + 40487769 = 15765^2 + 6363^2 .

It is not an unprimeable number, because it can be changed into a prime (289022999) 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, 617337 + ... + 617804.

Almost surely, 2^289022994 is an apocalyptic number.

289022994 is an abundant number, since it is smaller than the sum of its proper divisors (385364538).

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

289022994 is a wasteful number, since it uses less digits than its factorization.

289022994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235162 (or 1235159 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 289022994 is about 17000.6762806660. The cubic root of 289022994 is about 661.1664359342.

The spelling of 289022994 in words is "two hundred eighty-nine million, twenty-two thousand, nine hundred ninety-four".