289613612 has 24 divisors (see below), whose sum is σ = 510510000. Its totient is φ = 143758656.

The previous prime is 289613573. The next prime is 289613629. The reversal of 289613612 is 216316982.

It is a happy 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, 580139 + ... + 580637.

It is an arithmetic number, because the mean of its divisors is an integer number (21271250).

Almost surely, 2^289613612 is an apocalyptic number.

It is an amenable number.

289613612 is a deficient number, since it is larger than the sum of its proper divisors (220896388).

289613612 is a wasteful number, since it uses less digits than its factorization.

289613612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265 (or 1263 counting only the distinct ones).

The product of its digits is 31104, while the sum is 38.

The square root of 289613612 is about 17018.0378422426. The cubic root of 289613612 is about 661.6164936742.

The spelling of 289613612 in words is "two hundred eighty-nine million, six hundred thirteen thousand, six hundred twelve".