504444 has 24 divisors (see below), whose sum is σ = 1189888. Its totient is φ = 166320.

The previous prime is 504403. The next prime is 504457. The reversal of 504444 is 444405.

504444 is nontrivially palindromic in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 504444.

It is a congruent number.

It is an unprimeable number.

504444 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 7 ways as a sum of consecutive naturals, for example, 1359 + ... + 1689.

2⁵⁰⁴⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

504444 is an abundant number, since it is smaller than the sum of its proper divisors (685444).

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

504444 is a wasteful number, since it uses less digits than its factorization.

504444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 504444 is about 710.2422122065. The cubic root of 504444 is about 79.6045063651.

Adding to 504444 its reverse (444405), we get a palindrome (948849).

The spelling of 504444 in words is "five hundred four thousand, four hundred forty-four".