289605412 has 12 divisors (see below), whose sum is σ = 507257856. Its totient is φ = 144674600.

The previous prime is 289605383. The next prime is 289605461. The reversal of 289605412 is 214506982.

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, 26848 + ... + 36055.

It is an arithmetic number, because the mean of its divisors is an integer number (42271488).

Almost surely, 2^289605412 is an apocalyptic number.

It is an amenable number.

289605412 is a deficient number, since it is larger than the sum of its proper divisors (217652444).

289605412 is a wasteful number, since it uses less digits than its factorization.

289605412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64058 (or 64056 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 289605412 is about 17017.7969196956. The cubic root of 289605412 is about 661.6102493700.

The spelling of 289605412 in words is "two hundred eighty-nine million, six hundred five thousand, four hundred twelve".