504424 has 16 divisors (see below), whose sum is σ = 1001700. Its totient is φ = 237312.

The previous prime is 504403. The next prime is 504457. The reversal of 504424 is 424405.

It can be written as a sum of positive squares in 2 ways, for example, as 504100 + 324 = 710^2 + 18^2 .

It is an unprimeable number.

504424 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1719 + ... + 1990.

2⁵⁰⁴⁴²⁴ is an apocalyptic number.

It is an amenable number.

504424 is a deficient number, since it is larger than the sum of its proper divisors (497276).

504424 is a wasteful number, since it uses less digits than its factorization.

504424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3732 (or 3728 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 504424 is about 710.2281323631. The cubic root of 504424 is about 79.6034543083.

Subtracting from 504424 its sum of digits (19), we obtain a palindrome (504405).

Adding to 504424 its reverse (424405), we get a palindrome (928829).

The spelling of 504424 in words is "five hundred four thousand, four hundred twenty-four".