289422888 has 16 divisors (see below), whose sum is σ = 723557280. Its totient is φ = 96474288.

The previous prime is 289422883. The next prime is 289422901. The reversal of 289422888 is 888224982.

It is a happy number.

289422888 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 289422888.

It is not an unprimeable number, because it can be changed into a prime (289422883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6029620 + ... + 6029667.

It is an arithmetic number, because the mean of its divisors is an integer number (45222330).

Almost surely, 2^289422888 is an apocalyptic number.

It is an amenable number.

289422888 is an abundant number, since it is smaller than the sum of its proper divisors (434134392).

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

289422888 is a wasteful number, since it uses less digits than its factorization.

289422888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12059296 (or 12059292 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 51.

The square root of 289422888 is about 17012.4333356519. The cubic root of 289422888 is about 661.4712267290.

The spelling of 289422888 in words is "two hundred eighty-nine million, four hundred twenty-two thousand, eight hundred eighty-eight".