289706922 has 16 divisors (see below), whose sum is σ = 643793280. Its totient is φ = 96568956.

The previous prime is 289706917. The next prime is 289706941. The reversal of 289706922 is 229607982.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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, 2682418 + ... + 2682525.

It is an arithmetic number, because the mean of its divisors is an integer number (40237080).

Almost surely, 2^289706922 is an apocalyptic number.

289706922 is an abundant number, since it is smaller than the sum of its proper divisors (354086358).

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

289706922 is a wasteful number, since it uses less digits than its factorization.

289706922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5364954 (or 5364948 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 289706922 is about 17020.7791243527. The cubic root of 289706922 is about 661.6875409863.

The spelling of 289706922 in words is "two hundred eighty-nine million, seven hundred six thousand, nine hundred twenty-two".