499809612 has 24 divisors (see below), whose sum is σ = 1182650112. Its totient is φ = 164256400.

The previous prime is 499809589. The next prime is 499809613. The reversal of 499809612 is 216908994.

It is not an unprimeable number, because it can be changed into a prime (499809613) 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 in 7 ways as a sum of consecutive naturals, for example, 292464 + ... + 294167.

It is an arithmetic number, because the mean of its divisors is an integer number (49277088).

Almost surely, 2^499809612 is an apocalyptic number.

It is an amenable number.

499809612 is an abundant number, since it is smaller than the sum of its proper divisors (682840500).

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

499809612 is a wasteful number, since it uses less digits than its factorization.

499809612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586709 (or 586707 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 48.

The square root of 499809612 is about 22356.4221645593. The cubic root of 499809612 is about 793.5997724910.

The spelling of 499809612 in words is "four hundred ninety-nine million, eight hundred nine thousand, six hundred twelve".