489530 has 8 divisors (see below), whose sum is σ = 881172. Its totient is φ = 195808.

The previous prime is 489529. The next prime is 489539. The reversal of 489530 is 35984.

It can be written as a sum of positive squares in 2 ways, for example, as 485809 + 3721 = 697^2 + 61^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 489493 and 489502.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 489530.

It is not an unprimeable number, because it can be changed into a prime (489539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24467 + ... + 24486.

2⁴⁸⁹⁵³⁰ is an apocalyptic number.

489530 is a deficient number, since it is larger than the sum of its proper divisors (391642).

489530 is a wasteful number, since it uses less digits than its factorization.

489530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48960.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 489530 is about 699.6642051727. The cubic root of 489530 is about 78.8121370674.

The spelling of 489530 in words is "four hundred eighty-nine thousand, five hundred thirty".