499996985 has 8 divisors (see below), whose sum is σ = 619351296. Its totient is φ = 387094320.

The previous prime is 499996969. The next prime is 499996993. The reversal of 499996985 is 589699994.

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

It is not a de Polignac number, because 499996985 - 2⁴ = 499996969 is a prime.

It is a Duffinian number.

It is a Curzon 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, 1612739 + ... + 1613048.

It is an arithmetic number, because the mean of its divisors is an integer number (77418912).

Almost surely, 2^499996985 is an apocalyptic number.

It is an amenable number.

499996985 is a deficient number, since it is larger than the sum of its proper divisors (119354311).

499996985 is a wasteful number, since it uses less digits than its factorization.

499996985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225823.

The product of its digits is 56687040, while the sum is 68.

The square root of 499996985 is about 22360.6123574467. The cubic root of 499996985 is about 793.6989306428.

The spelling of 499996985 in words is "four hundred ninety-nine million, nine hundred ninety-six thousand, nine hundred eighty-five".