199488698 has 16 divisors (see below), whose sum is σ = 308266560. Its totient is φ = 96760800.

The previous prime is 199488697. The next prime is 199488703. The reversal of 199488698 is 896884991.

It is a self number, because there is not a number n which added to its sum of digits gives 199488698.

It is not an unprimeable number, because it can be changed into a prime (199488697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7883 + ... + 21473.

It is an arithmetic number, because the mean of its divisors is an integer number (19266660).

Almost surely, 2^199488698 is an apocalyptic number.

199488698 is a deficient number, since it is larger than the sum of its proper divisors (108777862).

199488698 is a wasteful number, since it uses less digits than its factorization.

199488698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13813.

The product of its digits is 8957952, while the sum is 62.

The square root of 199488698 is about 14124.0467996959. The cubic root of 199488698 is about 584.3047703185.

The spelling of 199488698 in words is "one hundred ninety-nine million, four hundred eighty-eight thousand, six hundred ninety-eight".