505304204 has 24 divisors (see below), whose sum is σ = 929795328. Its totient is φ = 239816720.

The previous prime is 505304201. The next prime is 505304251. The reversal of 505304204 is 402403505.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 505304204.

It is not an unprimeable number, because it can be changed into a prime (505304201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8912 + ... + 33015.

It is an arithmetic number, because the mean of its divisors is an integer number (38741472).

Almost surely, 2^505304204 is an apocalyptic number.

It is an amenable number.

505304204 is a deficient number, since it is larger than the sum of its proper divisors (424491124).

505304204 is a wasteful number, since it uses less digits than its factorization.

505304204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42085 (or 42083 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 505304204 is about 22478.9724854140. The cubic root of 505304204 is about 796.4972924322.

Adding to 505304204 its reverse (402403505), we get a palindrome (907707709).

The spelling of 505304204 in words is "five hundred five million, three hundred four thousand, two hundred four".