289137996 has 72 divisors (see below), whose sum is σ = 849488640. Its totient is φ = 81206496.

The previous prime is 289137973. The next prime is 289137997. The reversal of 289137996 is 699731982.

It is not an unprimeable number, because it can be changed into a prime (289137997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5145 + ... + 24591.

Almost surely, 2^289137996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289137996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424744320).

289137996 is an abundant number, since it is smaller than the sum of its proper divisors (560350644).

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

289137996 is a wasteful number, since it uses less digits than its factorization.

289137996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19523 (or 19518 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 289137996 is about 17004.0582214952. The cubic root of 289137996 is about 661.2541168241.

The spelling of 289137996 in words is "two hundred eighty-nine million, one hundred thirty-seven thousand, nine hundred ninety-six".