289118912 has 28 divisors (see below), whose sum is σ = 576254880. Its totient is φ = 143920896.

The previous prime is 289118911. The next prime is 289118957. The reversal of 289118912 is 219811982.

It is a happy number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 289118912.

It is not an unprimeable number, because it can be changed into a prime (289118911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4793 + ... + 24519.

Almost surely, 2^289118912 is an apocalyptic number.

It is an amenable number.

289118912 is a deficient number, since it is larger than the sum of its proper divisors (287135968).

289118912 is a wasteful number, since it uses less digits than its factorization.

289118912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19968 (or 19958 counting only the distinct ones).

The product of its digits is 20736, while the sum is 41.

The square root of 289118912 is about 17003.4970520773. The cubic root of 289118912 is about 661.2395682332.

The spelling of 289118912 in words is "two hundred eighty-nine million, one hundred eighteen thousand, nine hundred twelve".