432439 has 8 divisors (see below), whose sum is σ = 498560. Its totient is φ = 367416.

The previous prime is 432437. The next prime is 432449. The reversal of 432439 is 934234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 432439 - 2¹ = 432437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432433) 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 7 ways as a sum of consecutive naturals, for example, 952 + ... + 1330.

It is an arithmetic number, because the mean of its divisors is an integer number (62320).

2⁴³²⁴³⁹ is an apocalyptic number.

432439 is a deficient number, since it is larger than the sum of its proper divisors (66121).

432439 is a wasteful number, since it uses less digits than its factorization.

432439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549.

The product of its digits is 2592, while the sum is 25.

The square root of 432439 is about 657.6009428217. The cubic root of 432439 is about 75.6208610534.

The spelling of 432439 in words is "four hundred thirty-two thousand, four hundred thirty-nine".