499827209 has 16 divisors (see below), whose sum is σ = 592627200. Its totient is φ = 412461504.

The previous prime is 499827203. The next prime is 499827257. The reversal of 499827209 is 902728994.

It is not a de Polignac number, because 499827209 - 2¹² = 499823113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499827203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71147 + ... + 77855.

It is an arithmetic number, because the mean of its divisors is an integer number (37039200).

Almost surely, 2^499827209 is an apocalyptic number.

It is an amenable number.

499827209 is a deficient number, since it is larger than the sum of its proper divisors (92799991).

499827209 is a wasteful number, since it uses less digits than its factorization.

499827209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7112.

The product of its (nonzero) digits is 653184, while the sum is 50.

The square root of 499827209 is about 22356.8157169128. The cubic root of 499827209 is about 793.6090859116.

The spelling of 499827209 in words is "four hundred ninety-nine million, eight hundred twenty-seven thousand, two hundred nine".