499816806 has 16 divisors (see below), whose sum is σ = 1000802304. Its totient is φ = 166410824.

The previous prime is 499816799. The next prime is 499816817. The reversal of 499816806 is 608618994.

It is a happy number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43086 + ... + 53441.

It is an arithmetic number, because the mean of its divisors is an integer number (62550144).

Almost surely, 2^499816806 is an apocalyptic number.

499816806 is an abundant number, since it is smaller than the sum of its proper divisors (500985498).

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

499816806 is a wasteful number, since it uses less digits than its factorization.

499816806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97395.

The product of its (nonzero) digits is 746496, while the sum is 51.

The square root of 499816806 is about 22356.5830573458. The cubic root of 499816806 is about 793.6035800271.

The spelling of 499816806 in words is "four hundred ninety-nine million, eight hundred sixteen thousand, eight hundred six".