199319274 has 96 divisors (see below), whose sum is σ = 555909120. Its totient is φ = 50090400.

The previous prime is 199319249. The next prime is 199319293. The reversal of 199319274 is 472913991.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 40647 + ... + 45285.

It is an arithmetic number, because the mean of its divisors is an integer number (5790720).

Almost surely, 2^199319274 is an apocalyptic number.

199319274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 199319274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277954560).

199319274 is an abundant number, since it is smaller than the sum of its proper divisors (356589846).

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

199319274 is a wasteful number, since it uses less digits than its factorization.

199319274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4696 (or 4693 counting only the distinct ones).

The product of its digits is 122472, while the sum is 45.

The square root of 199319274 is about 14118.0478112238. The cubic root of 199319274 is about 584.1393084972.

The spelling of 199319274 in words is "one hundred ninety-nine million, three hundred nineteen thousand, two hundred seventy-four".