289873084 has 12 divisors (see below), whose sum is σ = 508932424. Its totient is φ = 144463824.

The previous prime is 289873081. The next prime is 289873097. The reversal of 289873084 is 480378982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289873081) 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, 116799 + ... + 119254.

Almost surely, 2^289873084 is an apocalyptic number.

It is an amenable number.

289873084 is a deficient number, since it is larger than the sum of its proper divisors (219059340).

289873084 is a wasteful number, since it uses less digits than its factorization.

289873084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236364 (or 236362 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 289873084 is about 17025.6595760634. The cubic root of 289873084 is about 661.8140208911.

The spelling of 289873084 in words is "two hundred eighty-nine million, eight hundred seventy-three thousand, eighty-four".