232289 has 4 divisors (see below), whose sum is σ = 235824. Its totient is φ = 228756.

The previous prime is 232259. The next prime is 232303. The reversal of 232289 is 982232.

232289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667 + ... + 1800.

It is an arithmetic number, because the mean of its divisors is an integer number (58956).

2²³²²⁸⁹ is an apocalyptic number.

It is an amenable number.

232289 is a deficient number, since it is larger than the sum of its proper divisors (3535).

232289 is an equidigital number, since it uses as much as digits as its factorization.

232289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534.

The product of its digits is 1728, while the sum is 26.

The square root of 232289 is about 481.9636915785. The cubic root of 232289 is about 61.4718402820.

The spelling of 232289 in words is "two hundred thirty-two thousand, two hundred eighty-nine".