289855068 has 24 divisors (see below), whose sum is σ = 676620672. Its totient is φ = 96576624.

The previous prime is 289855067. The next prime is 289855073. The reversal of 289855068 is 860558982.

289855068 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 289855068.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289855061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38121 + ... + 45087.

It is an arithmetic number, because the mean of its divisors is an integer number (28192528).

Almost surely, 2^289855068 is an apocalyptic number.

It is an amenable number.

289855068 is an abundant number, since it is smaller than the sum of its proper divisors (386765604).

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

289855068 is a wasteful number, since it uses less digits than its factorization.

289855068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10441 (or 10439 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 51.

The square root of 289855068 is about 17025.1304840815. The cubic root of 289855068 is about 661.8003097314.

The spelling of 289855068 in words is "two hundred eighty-nine million, eight hundred fifty-five thousand, sixty-eight".