503804228 has 24 divisors (see below), whose sum is σ = 950701920. Its totient is φ = 232822080.

The previous prime is 503804221. The next prime is 503804237. The reversal of 503804228 is 822408305.

It is a junction number, because it is equal to n+sod(n) for n = 503804194 and 503804203.

It is not an unprimeable number, because it can be changed into a prime (503804221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77726 + ... + 83957.

It is an arithmetic number, because the mean of its divisors is an integer number (39612580).

Almost surely, 2^503804228 is an apocalyptic number.

It is an amenable number.

503804228 is a deficient number, since it is larger than the sum of its proper divisors (446897692).

503804228 is a wasteful number, since it uses less digits than its factorization.

503804228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161747 (or 161745 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 503804228 is about 22445.5837081596. The cubic root of 503804228 is about 795.7083874957.

The spelling of 503804228 in words is "five hundred three million, eight hundred four thousand, two hundred twenty-eight".