504993856 has 56 divisors (see below), whose sum is σ = 1058123360. Its totient is φ = 238464000.

The previous prime is 504993847. The next prime is 504993869. The reversal of 504993856 is 658399405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730471 + ... + 731161.

It is an arithmetic number, because the mean of its divisors is an integer number (18895060).

Almost surely, 2^504993856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 504993856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529061680).

504993856 is an abundant number, since it is smaller than the sum of its proper divisors (553129504).

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

504993856 is a wasteful number, since it uses less digits than its factorization.

504993856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 49.

The square root of 504993856 is about 22472.0683516226. The cubic root of 504993856 is about 796.3341946628.

The spelling of 504993856 in words is "five hundred four million, nine hundred ninety-three thousand, eight hundred fifty-six".