289472 has 14 divisors (see below), whose sum is σ = 574548. Its totient is φ = 144704.

The previous prime is 289469. The next prime is 289477. The reversal of 289472 is 274982.

289472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289472.

It is not an unprimeable number, because it can be changed into a prime (289477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2198 + ... + 2325.

2²⁸⁹⁴⁷² is an apocalyptic number.

It is an amenable number.

289472 is a deficient number, since it is larger than the sum of its proper divisors (285076).

289472 is an equidigital number, since it uses as much as digits as its factorization.

289472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535 (or 4525 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 289472 is about 538.0260216755. The cubic root of 289472 is about 66.1508639501.

The spelling of 289472 in words is "two hundred eighty-nine thousand, four hundred seventy-two".