504633690 has 48 divisors (see below), whose sum is σ = 1431327456. Its totient is φ = 122335200.

The previous prime is 504633683. The next prime is 504633691. The reversal of 504633690 is 96336405.

504633690 is a `hidden beast` number, since 504 + 63 + 3 + 6 + 90 = 666.

It is a super-2 number, since 2×504633690² = 509310322166032200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (504633691) 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 23 ways as a sum of consecutive naturals, for example, 253876 + ... + 255855.

It is an arithmetic number, because the mean of its divisors is an integer number (29819322).

Almost surely, 2^504633690 is an apocalyptic number.

504633690 is an abundant number, since it is smaller than the sum of its proper divisors (926693766).

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

504633690 is a wasteful number, since it uses less digits than its factorization.

504633690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509755 (or 509752 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 504633690 is about 22464.0532851932. The cubic root of 504633690 is about 796.1448321515.

The spelling of 504633690 in words is "five hundred four million, six hundred thirty-three thousand, six hundred ninety".