289232832 has 112 divisors (see below), whose sum is σ = 926104320. Its totient is φ = 77770752.

The previous prime is 289232813. The next prime is 289232837. The reversal of 289232832 is 238232982.

289232832 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×289232832² = 167311262213480448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289232837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16519 + ... + 29177.

Almost surely, 2^289232832 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 289232832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463052160).

289232832 is an abundant number, since it is smaller than the sum of its proper divisors (636871488).

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

289232832 is a wasteful number, since it uses less digits than its factorization.

289232832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12698 (or 12688 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 289232832 is about 17006.8466212876. The cubic root of 289232832 is about 661.3264050754.

The spelling of 289232832 in words is "two hundred eighty-nine million, two hundred thirty-two thousand, eight hundred thirty-two".