505918196 has 24 divisors (see below), whose sum is σ = 1012689216. Its totient is φ = 216639360.

The previous prime is 505918183. The next prime is 505918207. The reversal of 505918196 is 691819505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29351 + ... + 43281.

It is an arithmetic number, because the mean of its divisors is an integer number (42195384).

Almost surely, 2^505918196 is an apocalyptic number.

It is an amenable number.

505918196 is an abundant number, since it is smaller than the sum of its proper divisors (506771020).

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

505918196 is a wasteful number, since it uses less digits than its factorization.

505918196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15239 (or 15237 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 44.

The square root of 505918196 is about 22492.6253692182. The cubic root of 505918196 is about 796.8197681591.

The spelling of 505918196 in words is "five hundred five million, nine hundred eighteen thousand, one hundred ninety-six".