232389 has 20 divisors (see below), whose sum is σ = 367840. Its totient is φ = 145800.

The previous prime is 232381. The next prime is 232391. The reversal of 232389 is 983232.

It is not a de Polignac number, because 232389 - 2³ = 232381 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

232389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232381) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1464 + ... + 1614.

It is an arithmetic number, because the mean of its divisors is an integer number (18392).

2²³²³⁸⁹ is an apocalyptic number.

It is an amenable number.

232389 is a deficient number, since it is larger than the sum of its proper divisors (135451).

232389 is a wasteful number, since it uses less digits than its factorization.

232389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 173 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 232389 is about 482.0674226703. The cubic root of 232389 is about 61.4806601890.

The spelling of 232389 in words is "two hundred thirty-two thousand, three hundred eighty-nine".