499889798 has 8 divisors (see below), whose sum is σ = 749943120. Its totient is φ = 249908760.

The previous prime is 499889779. The next prime is 499889807. The reversal of 499889798 is 897988994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5228 + ... + 32048.

It is an arithmetic number, because the mean of its divisors is an integer number (93742890).

Almost surely, 2^499889798 is an apocalyptic number.

499889798 is a deficient number, since it is larger than the sum of its proper divisors (250053322).

499889798 is a wasteful number, since it uses less digits than its factorization.

499889798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36142.

The product of its digits is 94058496, while the sum is 71.

The square root of 499889798 is about 22358.2154475709. The cubic root of 499889798 is about 793.6422101093.

The spelling of 499889798 in words is "four hundred ninety-nine million, eight hundred eighty-nine thousand, seven hundred ninety-eight".