499809836 has 6 divisors (see below), whose sum is σ = 874667220. Its totient is φ = 249904916.

The previous prime is 499809833. The next prime is 499809847. The reversal of 499809836 is 638908994.

It is not an unprimeable number, because it can be changed into a prime (499809833) by changing a digit.

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 as a sum of consecutive naturals, namely, 62476226 + ... + 62476233.

It is an arithmetic number, because the mean of its divisors is an integer number (145777870).

Almost surely, 2^499809836 is an apocalyptic number.

It is an amenable number.

499809836 is a deficient number, since it is larger than the sum of its proper divisors (374857384).

499809836 is a wasteful number, since it uses less digits than its factorization.

499809836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124952463 (or 124952461 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 56.

The square root of 499809836 is about 22356.4271743049. The cubic root of 499809836 is about 793.5998910470.

The spelling of 499809836 in words is "four hundred ninety-nine million, eight hundred nine thousand, eight hundred thirty-six".