499998984 has 32 divisors (see below), whose sum is σ = 1315788000. Its totient is φ = 157894272.

The previous prime is 499998971. The next prime is 499998991. The reversal of 499998984 is 489899994.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 547789 + ... + 548700.

It is an arithmetic number, because the mean of its divisors is an integer number (41118375).

Almost surely, 2^499998984 is an apocalyptic number.

It is an amenable number.

499998984 is an abundant number, since it is smaller than the sum of its proper divisors (815789016).

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

499998984 is a wasteful number, since it uses less digits than its factorization.

499998984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096517 (or 1096513 counting only the distinct ones).

The product of its digits is 60466176, while the sum is 69.

The square root of 499998984 is about 22360.6570565357. The cubic root of 499998984 is about 793.6999883839.

The spelling of 499998984 in words is "four hundred ninety-nine million, nine hundred ninety-eight thousand, nine hundred eighty-four".