239432 has 12 divisors (see below), whose sum is σ = 451545. Its totient is φ = 119024.

The previous prime is 239431. The next prime is 239441. The reversal of 239432 is 234932.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

239432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 188356 + 51076 = 434^2 + 226^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=346.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 239398 and 239407.

It is not an unprimeable number, because it can be changed into a prime (239431) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1298 + ... + 1470.

239432 is a Friedman number, since it can be written as (349-3)^2*2, using all its digits and the basic arithmetic operations.

2²³⁹⁴³² is an apocalyptic number.

It is an amenable number.

239432 is a deficient number, since it is larger than the sum of its proper divisors (212113).

239432 is an equidigital number, since it uses as much as digits as its factorization.

239432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 175 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 239432 is about 489.3178925811. The cubic root of 239432 is about 62.0955861687.

The spelling of 239432 in words is "two hundred thirty-nine thousand, four hundred thirty-two".