504228 has 12 divisors (see below), whose sum is σ = 1176560. Its totient is φ = 168072.

The previous prime is 504221. The next prime is 504247. The reversal of 504228 is 822405.

504228 is nontrivially palindromic in base 7.

504228 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (504221) by changing a digit.

504228 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, 20998 + ... + 21021.

2⁵⁰⁴²²⁸ is an apocalyptic number.

It is an amenable number.

504228 is an abundant number, since it is smaller than the sum of its proper divisors (672332).

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

504228 is a wasteful number, since it uses less digits than its factorization.

504228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42026 (or 42024 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 504228 is about 710.0901351237. The cubic root of 504228 is about 79.5931426801.

It can be divided in two parts, 50 and 4228, that added together give a triangular number (4278 = T₉₂).

The spelling of 504228 in words is "five hundred four thousand, two hundred twenty-eight".