506386340 has 12 divisors (see below), whose sum is σ = 1063411356. Its totient is φ = 202554528.

The previous prime is 506386339. The next prime is 506386351. The reversal of 506386340 is 43683605.

It can be written as a sum of positive squares in 2 ways, for example, as 68823616 + 437562724 = 8296^2 + 20918^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 506386340.

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 3 ways as a sum of consecutive naturals, for example, 12659639 + ... + 12659678.

It is an arithmetic number, because the mean of its divisors is an integer number (88617613).

Almost surely, 2^506386340 is an apocalyptic number.

It is an amenable number.

506386340 is an abundant number, since it is smaller than the sum of its proper divisors (557025016).

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

506386340 is a wasteful number, since it uses less digits than its factorization.

506386340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25319326 (or 25319324 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 506386340 is about 22503.0295738152. The cubic root of 506386340 is about 797.0654675610.

The spelling of 506386340 in words is "five hundred six million, three hundred eighty-six thousand, three hundred forty".