199339349 has 4 divisors (see below), whose sum is σ = 217461120. Its totient is φ = 181217580.

The previous prime is 199339339. The next prime is 199339373. The reversal of 199339349 is 943933991.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 199339349 - 2⁴ = 199339333 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 199339297 and 199339306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199339319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9060869 + ... + 9060890.

It is an arithmetic number, because the mean of its divisors is an integer number (54365280).

Almost surely, 2^199339349 is an apocalyptic number.

It is an amenable number.

199339349 is a deficient number, since it is larger than the sum of its proper divisors (18121771).

199339349 is a wasteful number, since it uses less digits than its factorization.

199339349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18121770.

The product of its digits is 708588, while the sum is 50.

The square root of 199339349 is about 14118.7587627242. The cubic root of 199339349 is about 584.1589189154.

The spelling of 199339349 in words is "one hundred ninety-nine million, three hundred thirty-nine thousand, three hundred forty-nine".