504761838 has 48 divisors (see below), whose sum is σ = 1179763200. Its totient is φ = 143552304.

The previous prime is 504761837. The next prime is 504761843. The reversal of 504761838 is 838167405.

It is a super-2 number, since 2×504761838² = 509569026202276488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 504761838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504761833) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61713 + ... + 69411.

It is an arithmetic number, because the mean of its divisors is an integer number (24578400).

Almost surely, 2^504761838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 504761838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (589881600).

504761838 is an abundant number, since it is smaller than the sum of its proper divisors (675001362).

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

504761838 is a wasteful number, since it uses less digits than its factorization.

504761838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7941 (or 7934 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 504761838 is about 22466.9053943795. The cubic root of 504761838 is about 796.2122181485.

The spelling of 504761838 in words is "five hundred four million, seven hundred sixty-one thousand, eight hundred thirty-eight".