289529516 has 12 divisors (see below), whose sum is σ = 536481288. Its totient is φ = 136249152.

The previous prime is 289529507. The next prime is 289529563. The reversal of 289529516 is 615925982.

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, 2128826 + ... + 2128961.

It is an arithmetic number, because the mean of its divisors is an integer number (44706774).

Almost surely, 2^289529516 is an apocalyptic number.

It is an amenable number.

289529516 is a deficient number, since it is larger than the sum of its proper divisors (246951772).

289529516 is a wasteful number, since it uses less digits than its factorization.

289529516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4257808 (or 4257806 counting only the distinct ones).

The product of its digits is 388800, while the sum is 47.

The square root of 289529516 is about 17015.5668727198. The cubic root of 289529516 is about 661.5524489325.

The spelling of 289529516 in words is "two hundred eighty-nine million, five hundred twenty-nine thousand, five hundred sixteen".