489432 has 16 divisors (see below), whose sum is σ = 1223640. Its totient is φ = 163136.

The previous prime is 489431. The next prime is 489439. The reversal of 489432 is 234984.

It is a happy number.

489432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 489432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10173 + ... + 10220.

2⁴⁸⁹⁴³² is an apocalyptic number.

It is an amenable number.

489432 is an abundant number, since it is smaller than the sum of its proper divisors (734208).

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

489432 is a wasteful number, since it uses less digits than its factorization.

489432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20402 (or 20398 counting only the distinct ones).

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

The square root of 489432 is about 699.5941680717. The cubic root of 489432 is about 78.8068775294.

The spelling of 489432 in words is "four hundred eighty-nine thousand, four hundred thirty-two".