432489 has 4 divisors (see below), whose sum is σ = 576656. Its totient is φ = 288324.

The previous prime is 432479. The next prime is 432491. The reversal of 432489 is 984234.

It is a happy number.

432489 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 432489 - 2⁵ = 432457 is a prime.

It is a D-number.

It is a Duffinian number.

432489 is strictly pandigital in base 7.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (432449) 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, 72079 + ... + 72084.

It is an arithmetic number, because the mean of its divisors is an integer number (144164).

2⁴³²⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

432489 is a deficient number, since it is larger than the sum of its proper divisors (144167).

432489 is a wasteful number, since it uses less digits than its factorization.

432489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144166.

The product of its digits is 6912, while the sum is 30.

The square root of 432489 is about 657.6389587000. The cubic root of 432489 is about 75.6237754509.

The spelling of 432489 in words is "four hundred thirty-two thousand, four hundred eighty-nine".