504220 has 24 divisors (see below), whose sum is σ = 1121904. Its totient is φ = 189696.

The previous prime is 504209. The next prime is 504221. The reversal of 504220 is 22405.

It is a happy number.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 504220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504221) 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, 402 + ... + 1081.

It is an arithmetic number, because the mean of its divisors is an integer number (46746).

2⁵⁰⁴²²⁰ is an apocalyptic number.

It is an amenable number.

504220 is an abundant number, since it is smaller than the sum of its proper divisors (617684).

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

504220 is a wasteful number, since it uses less digits than its factorization.

504220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509 (or 1507 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 504220 is about 710.0845020137. The cubic root of 504220 is about 79.5927217405.

Adding to 504220 its reverse (22405), we get a palindrome (526625).

The spelling of 504220 in words is "five hundred four thousand, two hundred twenty".