199408339 has 12 divisors (see below), whose sum is σ = 217404000. Its totient is φ = 182810784.

The previous prime is 199408291. The next prime is 199408343. The reversal of 199408339 is 933804991.

It is not a de Polignac number, because 199408339 - 2⁹ = 199407827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199402339) 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 11 ways as a sum of consecutive naturals, for example, 21222 + ... + 29140.

It is an arithmetic number, because the mean of its divisors is an integer number (18117000).

Almost surely, 2^199408339 is an apocalyptic number.

199408339 is a deficient number, since it is larger than the sum of its proper divisors (17995661).

199408339 is a wasteful number, since it uses less digits than its factorization.

199408339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8094 (or 8081 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 199408339 is about 14121.2017548083. The cubic root of 199408339 is about 584.2263022922.

The spelling of 199408339 in words is "one hundred ninety-nine million, four hundred eight thousand, three hundred thirty-nine".