289234444 has 12 divisors (see below), whose sum is σ = 513715384. Its totient is φ = 142458624.

The previous prime is 289234427. The next prime is 289234471. The reversal of 289234444 is 444432982.

It is a happy number.

289234444 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 289234397 and 289234406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539349 + ... + 539884.

Almost surely, 2^289234444 is an apocalyptic number.

It is an amenable number.

289234444 is a deficient number, since it is larger than the sum of its proper divisors (224480940).

289234444 is a wasteful number, since it uses less digits than its factorization.

289234444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079304 (or 1079302 counting only the distinct ones).

The product of its digits is 221184, while the sum is 40.

The square root of 289234444 is about 17006.8940138992. The cubic root of 289234444 is about 661.3276336775.

The spelling of 289234444 in words is "two hundred eighty-nine million, two hundred thirty-four thousand, four hundred forty-four".