499986085 has 8 divisors (see below), whose sum is σ = 600103800. Its totient is φ = 399908544.

The previous prime is 499986077. The next prime is 499986127. The reversal of 499986085 is 580689994.

It can be written as a sum of positive squares in 4 ways, for example, as 20638849 + 479347236 = 4543^2 + 21894^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 499986085 - 2³ = 499986077 is a prime.

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, 40191 + ... + 51139.

It is an arithmetic number, because the mean of its divisors is an integer number (75012975).

Almost surely, 2^499986085 is an apocalyptic number.

It is an amenable number.

499986085 is a deficient number, since it is larger than the sum of its proper divisors (100117715).

499986085 is a wasteful number, since it uses less digits than its factorization.

499986085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20087.

The product of its (nonzero) digits is 5598720, while the sum is 58.

The square root of 499986085 is about 22360.3686239740. The cubic root of 499986085 is about 793.6931630206.

The spelling of 499986085 in words is "four hundred ninety-nine million, nine hundred eighty-six thousand, eighty-five".