504001228 has 12 divisors (see below), whose sum is σ = 882582400. Its totient is φ = 251834832.

The previous prime is 504001213. The next prime is 504001229. The reversal of 504001228 is 822100405.

It is a junction number, because it is equal to n+sod(n) for n = 504001199 and 504001208.

It is not an unprimeable number, because it can be changed into a prime (504001229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34476 + ... + 46867.

Almost surely, 2^504001228 is an apocalyptic number.

It is an amenable number.

504001228 is a deficient number, since it is larger than the sum of its proper divisors (378581172).

504001228 is a wasteful number, since it uses less digits than its factorization.

504001228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82896 (or 82894 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 504001228 is about 22449.9716703607. The cubic root of 504001228 is about 795.8120879124.

The spelling of 504001228 in words is "five hundred four million, one thousand, two hundred twenty-eight".