289964630 has 16 divisors (see below), whose sum is σ = 523785744. Its totient is φ = 115574880.

The previous prime is 289964627. The next prime is 289964663. The reversal of 289964630 is 36469982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48401 + ... + 54060.

It is an arithmetic number, because the mean of its divisors is an integer number (32736609).

Almost surely, 2^289964630 is an apocalyptic number.

289964630 is a deficient number, since it is larger than the sum of its proper divisors (233821114).

289964630 is a wasteful number, since it uses less digits than its factorization.

289964630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102751.

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 289964630 is about 17028.3478353010. The cubic root of 289964630 is about 661.8836836192.

The spelling of 289964630 in words is "two hundred eighty-nine million, nine hundred sixty-four thousand, six hundred thirty".