432438 has 8 divisors (see below), whose sum is σ = 864888. Its totient is φ = 144144.

The previous prime is 432437. The next prime is 432449. The reversal of 432438 is 834234.

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

432438 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 432438.

It is not an unprimeable number, because it can be changed into a prime (432433) 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, 36031 + ... + 36042.

It is an arithmetic number, because the mean of its divisors is an integer number (108111).

2⁴³²⁴³⁸ is an apocalyptic number.

432438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

432438 is a wasteful number, since it uses less digits than its factorization.

432438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72078.

The product of its digits is 2304, while the sum is 24.

The square root of 432438 is about 657.6001824817. The cubic root of 432438 is about 75.6208027632.

The spelling of 432438 in words is "four hundred thirty-two thousand, four hundred thirty-eight".