432189 has 8 divisors (see below), whose sum is σ = 640320. Its totient is φ = 288108.

The previous prime is 432167. The next prime is 432199. The reversal of 432189 is 981234.

It is not a de Polignac number, because 432189 - 2⁸ = 431933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 16007 = 432189 / (4 + 3 + 2 + 1 + 8 + 9).

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

It is a Curzon 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7977 + ... + 8030.

It is an arithmetic number, because the mean of its divisors is an integer number (80040).

2⁴³²¹⁸⁹ is an apocalyptic number.

It is an amenable number.

432189 is a deficient number, since it is larger than the sum of its proper divisors (208131).

432189 is a wasteful number, since it uses less digits than its factorization.

432189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16016 (or 16010 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 432189 is about 657.4108304554. The cubic root of 432189 is about 75.6062856956.

The spelling of 432189 in words is "four hundred thirty-two thousand, one hundred eighty-nine".