289234984 has 16 divisors (see below), whose sum is σ = 543647700. Its totient is φ = 144262272.

The previous prime is 289234969. The next prime is 289235003. The reversal of 289234984 is 489432982.

It can be written as a sum of positive squares in 2 ways, for example, as 284866884 + 4368100 = 16878^2 + 2090^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40927 + ... + 47470.

Almost surely, 2^289234984 is an apocalyptic number.

It is an amenable number.

289234984 is a deficient number, since it is larger than the sum of its proper divisors (254412716).

289234984 is a wasteful number, since it uses less digits than its factorization.

289234984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88812 (or 88808 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 289234984 is about 17006.9098898066. The cubic root of 289234984 is about 661.3280452429.

The spelling of 289234984 in words is "two hundred eighty-nine million, two hundred thirty-four thousand, nine hundred eighty-four".