199341798 has 16 divisors (see below), whose sum is σ = 406206576. Its totient is φ = 65193440.

The previous prime is 199341773. The next prime is 199341799. The reversal of 199341798 is 897143991.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 199341798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199341799) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 313113 + ... + 313748.

It is an arithmetic number, because the mean of its divisors is an integer number (25387911).

Almost surely, 2^199341798 is an apocalyptic number.

199341798 is an abundant number, since it is smaller than the sum of its proper divisors (206864778).

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

199341798 is a wasteful number, since it uses less digits than its factorization.

199341798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626919.

The product of its digits is 489888, while the sum is 51.

The square root of 199341798 is about 14118.8454910449. The cubic root of 199341798 is about 584.1613111498.

The spelling of 199341798 in words is "one hundred ninety-nine million, three hundred forty-one thousand, seven hundred ninety-eight".