504489 has 8 divisors (see below), whose sum is σ = 676000. Its totient is φ = 334656.

The previous prime is 504479. The next prime is 504521. The reversal of 504489 is 984405.

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

It is not a de Polignac number, because 504489 - 2⁴ = 504473 is a prime.

It is a super-2 number, since 2×504489² = 509018302242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

504489 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 504489.

It is not an unprimeable number, because it can be changed into a prime (504479) 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 7 ways as a sum of consecutive naturals, for example, 762 + ... + 1260.

It is an arithmetic number, because the mean of its divisors is an integer number (84500).

2⁵⁰⁴⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

504489 is a deficient number, since it is larger than the sum of its proper divisors (171511).

504489 is a wasteful number, since it uses less digits than its factorization.

504489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839.

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

The square root of 504489 is about 710.2738908337. The cubic root of 504489 is about 79.6068733911.

The spelling of 504489 in words is "five hundred four thousand, four hundred eighty-nine".