432789 has 16 divisors (see below), whose sum is σ = 678528. Its totient is φ = 240192.

The previous prime is 432781. The next prime is 432793. The reversal of 432789 is 987234.

It is not a de Polignac number, because 432789 - 2³ = 432781 is a prime.

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

432789 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 499 + ... + 1055.

It is an arithmetic number, because the mean of its divisors is an integer number (42408).

2⁴³²⁷⁸⁹ is an apocalyptic number.

It is an amenable number.

432789 is a deficient number, since it is larger than the sum of its proper divisors (245739).

432789 is a wasteful number, since it uses less digits than its factorization.

432789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604.

The product of its digits is 12096, while the sum is 33.

The square root of 432789 is about 657.8670078367. The cubic root of 432789 is about 75.6412571201.

It can be divided in two parts, 432 and 789, that added together give a palindrome (1221).

The spelling of 432789 in words is "four hundred thirty-two thousand, seven hundred eighty-nine".