499459218 has 16 divisors (see below), whose sum is σ = 1057678560. Its totient is φ = 156693056.

The previous prime is 499459187. The next prime is 499459229. The reversal of 499459218 is 812954994.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 2448228 + ... + 2448431.

It is an arithmetic number, because the mean of its divisors is an integer number (66104910).

Almost surely, 2^499459218 is an apocalyptic number.

499459218 is an abundant number, since it is smaller than the sum of its proper divisors (558219342).

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

499459218 is a wasteful number, since it uses less digits than its factorization.

499459218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4896681.

The product of its digits is 933120, while the sum is 51.

The square root of 499459218 is about 22348.5842504620. The cubic root of 499459218 is about 793.4142767884.

The spelling of 499459218 in words is "four hundred ninety-nine million, four hundred fifty-nine thousand, two hundred eighteen".