289130916 has 48 divisors (see below), whose sum is σ = 689230080. Its totient is φ = 94308000.

The previous prime is 289130903. The next prime is 289130971. The reversal of 289130916 is 619031982.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176895 + ... + 178521.

It is an arithmetic number, because the mean of its divisors is an integer number (14358960).

Almost surely, 2^289130916 is an apocalyptic number.

It is an amenable number.

289130916 is an abundant number, since it is smaller than the sum of its proper divisors (400099164).

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

289130916 is a wasteful number, since it uses less digits than its factorization.

289130916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1944 (or 1942 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 289130916 is about 17003.8500346245. The cubic root of 289130916 is about 661.2487194966.

The spelling of 289130916 in words is "two hundred eighty-nine million, one hundred thirty thousand, nine hundred sixteen".