199992498 has 32 divisors (see below), whose sum is σ = 419838336. Its totient is φ = 63389568.

The previous prime is 199992493. The next prime is 199992509. The reversal of 199992498 is 894299991.

It is a happy number.

199992498 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (199992493) 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, 19686 + ... + 28062.

It is an arithmetic number, because the mean of its divisors is an integer number (13119948).

Almost surely, 2^199992498 is an apocalyptic number.

199992498 is an abundant number, since it is smaller than the sum of its proper divisors (219845838).

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

199992498 is a wasteful number, since it uses less digits than its factorization.

199992498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8578.

The product of its digits is 3779136, while the sum is 60.

The square root of 199992498 is about 14141.8703854900. The cubic root of 199992498 is about 584.7962355575.

The spelling of 199992498 in words is "one hundred ninety-nine million, nine hundred ninety-two thousand, four hundred ninety-eight".