504873138 has 64 divisors (see below), whose sum is σ = 1313667072. Its totient is φ = 125431680.

The previous prime is 504873097. The next prime is 504873167. The reversal of 504873138 is 831378405.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 504873096 and 504873105.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13131 + ... + 34382.

It is an arithmetic number, because the mean of its divisors is an integer number (20526048).

Almost surely, 2^504873138 is an apocalyptic number.

504873138 is an abundant number, since it is smaller than the sum of its proper divisors (808793934).

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

504873138 is a wasteful number, since it uses less digits than its factorization.

504873138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47559.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 504873138 is about 22469.3822344986. The cubic root of 504873138 is about 796.2707354535.

The spelling of 504873138 in words is "five hundred four million, eight hundred seventy-three thousand, one hundred thirty-eight".