289066268 has 12 divisors (see below), whose sum is σ = 507326232. Its totient is φ = 144115920.

The previous prime is 289066259. The next prime is 289066279. The reversal of 289066268 is 862660982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102743 + ... + 105518.

It is an arithmetic number, because the mean of its divisors is an integer number (42277186).

Almost surely, 2^289066268 is an apocalyptic number.

It is an amenable number.

289066268 is a deficient number, since it is larger than the sum of its proper divisors (218259964).

289066268 is a wasteful number, since it uses less digits than its factorization.

289066268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208612 (or 208610 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 289066268 is about 17001.9489471060. The cubic root of 289066268 is about 661.1994320270.

The spelling of 289066268 in words is "two hundred eighty-nine million, sixty-six thousand, two hundred sixty-eight".