490584 has 16 divisors (see below), whose sum is σ = 1226520. Its totient is φ = 163520.

The previous prime is 490579. The next prime is 490591. The reversal of 490584 is 485094.

It is a super-2 number, since 2×490584² = 481345322112, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 490584.

It is an unprimeable number.

490584 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 10197 + ... + 10244.

2⁴⁹⁰⁵⁸⁴ is an apocalyptic number.

It is an amenable number.

490584 is an abundant number, since it is smaller than the sum of its proper divisors (735936).

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

490584 is a wasteful number, since it uses less digits than its factorization.

490584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20450 (or 20446 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 490584 is about 700.4170186396. The cubic root of 490584 is about 78.8686596136.

The spelling of 490584 in words is "four hundred ninety thousand, five hundred eighty-four".