432239 has 4 divisors (see below), whose sum is σ = 451056. Its totient is φ = 413424.

The previous prime is 432227. The next prime is 432241. The reversal of 432239 is 932234.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 432239 - 2⁸ = 431983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 18793 = 432239 / (4 + 3 + 2 + 2 + 3 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9374 + ... + 9419.

It is an arithmetic number, because the mean of its divisors is an integer number (112764).

2⁴³²²³⁹ is an apocalyptic number.

432239 is a deficient number, since it is larger than the sum of its proper divisors (18817).

432239 is a wasteful number, since it uses less digits than its factorization.

432239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18816.

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

The square root of 432239 is about 657.4488573266. The cubic root of 432239 is about 75.6092012167.

The spelling of 432239 in words is "four hundred thirty-two thousand, two hundred thirty-nine".