504227728 has 20 divisors (see below), whose sum is σ = 987015820. Its totient is φ = 249513984.

The previous prime is 504227723. The next prime is 504227783. The reversal of 504227728 is 827722405.

It can be written as a sum of positive squares in 2 ways, for example, as 218211984 + 286015744 = 14772^2 + 16912^2 .

It is not an unprimeable number, because it can be changed into a prime (504227723) 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, 160893 + ... + 163996.

It is an arithmetic number, because the mean of its divisors is an integer number (49350791).

Almost surely, 2^504227728 is an apocalyptic number.

It is an amenable number.

504227728 is a deficient number, since it is larger than the sum of its proper divisors (482788092).

504227728 is a wasteful number, since it uses less digits than its factorization.

504227728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324994 (or 324988 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 504227728 is about 22455.0156535238. The cubic root of 504227728 is about 795.9312836820.

The spelling of 504227728 in words is "five hundred four million, two hundred twenty-seven thousand, seven hundred twenty-eight".