499864198 has 32 divisors (see below), whose sum is σ = 827366400. Its totient is φ = 225441216.

The previous prime is 499864187. The next prime is 499864199. The reversal of 499864198 is 891468994.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499864199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207690 + ... + 210082.

It is an arithmetic number, because the mean of its divisors is an integer number (25855200).

Almost surely, 2^499864198 is an apocalyptic number.

499864198 is a deficient number, since it is larger than the sum of its proper divisors (327502202).

499864198 is a wasteful number, since it uses less digits than its factorization.

499864198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676.

The product of its digits is 4478976, while the sum is 58.

The square root of 499864198 is about 22357.6429437452. The cubic root of 499864198 is about 793.6286620650.

It can be divided in two parts, 4998 and 64198, that added together give a palindrome (69196).

The spelling of 499864198 in words is "four hundred ninety-nine million, eight hundred sixty-four thousand, one hundred ninety-eight".