489589 has 4 divisors (see below), whose sum is σ = 495180. Its totient is φ = 484000.

The previous prime is 489571. The next prime is 489613. The reversal of 489589 is 985984.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 321489 + 168100 = 567^2 + 410^2 .

It is a cyclic number.

It is not a de Polignac number, because 489589 - 2⁵ = 489557 is a prime.

It is a super-3 number, since 3×489589³ = 352059614833330407, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489529) 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, 2662 + ... + 2839.

It is an arithmetic number, because the mean of its divisors is an integer number (123795).

2⁴⁸⁹⁵⁸⁹ is an apocalyptic number.

It is an amenable number.

489589 is a deficient number, since it is larger than the sum of its proper divisors (5591).

489589 is an equidigital number, since it uses as much as digits as its factorization.

489589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5590.

The product of its digits is 103680, while the sum is 43.

The square root of 489589 is about 699.7063669855. The cubic root of 489589 is about 78.8153031854.

The spelling of 489589 in words is "four hundred eighty-nine thousand, five hundred eighty-nine".