289683992 has 16 divisors (see below), whose sum is σ = 584939040. Its totient is φ = 133700256.

The previous prime is 289683973. The next prime is 289684019. The reversal of 289683992 is 299386982.

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, 1392608 + ... + 1392815.

It is an arithmetic number, because the mean of its divisors is an integer number (36558690).

Almost surely, 2^289683992 is an apocalyptic number.

It is an amenable number.

289683992 is an abundant number, since it is smaller than the sum of its proper divisors (295255048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289683992 is a wasteful number, since it uses less digits than its factorization.

289683992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785442 (or 2785438 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 56.

The square root of 289683992 is about 17020.1055225871. The cubic root of 289683992 is about 661.6700832334.

The spelling of 289683992 in words is "two hundred eighty-nine million, six hundred eighty-three thousand, nine hundred ninety-two".