289112832 has 108 divisors (see below), whose sum is σ = 862527120. Its totient is φ = 93026304.

The previous prime is 289112819. The next prime is 289112843. The reversal of 289112832 is 238211982.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64653 + ... + 68979.

Almost surely, 2^289112832 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 289112832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (431263560).

289112832 is an abundant number, since it is smaller than the sum of its proper divisors (573414288).

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

289112832 is a wasteful number, since it uses less digits than its factorization.

289112832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4378 (or 4361 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 289112832 is about 17003.3182643859. The cubic root of 289112832 is about 661.2349330415.

The spelling of 289112832 in words is "two hundred eighty-nine million, one hundred twelve thousand, eight hundred thirty-two".