505913706 has 24 divisors (see below), whose sum is σ = 1103508900. Its totient is φ = 167505216.

The previous prime is 505913689. The next prime is 505913711. The reversal of 505913706 is 607319505.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 469805625 + 36108081 = 21675^2 + 6009^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91635 + ... + 96998.

Almost surely, 2^505913706 is an apocalyptic number.

505913706 is an abundant number, since it is smaller than the sum of its proper divisors (597595194).

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

505913706 is a wasteful number, since it uses less digits than its factorization.

505913706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188790 (or 188787 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 505913706 is about 22492.5255585050. The cubic root of 505913706 is about 796.8174109063.

The spelling of 505913706 in words is "five hundred five million, nine hundred thirteen thousand, seven hundred six".