199338842 has 8 divisors (see below), whose sum is σ = 314745600. Its totient is φ = 94423644.

The previous prime is 199338833. The next prime is 199338847. The reversal of 199338842 is 248833991.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (199338847) 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, 2622842 + ... + 2622917.

It is an arithmetic number, because the mean of its divisors is an integer number (39343200).

Almost surely, 2^199338842 is an apocalyptic number.

199338842 is a deficient number, since it is larger than the sum of its proper divisors (115406758).

199338842 is a wasteful number, since it uses less digits than its factorization.

199338842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5245780.

The product of its digits is 373248, while the sum is 47.

The square root of 199338842 is about 14118.7408078766. The cubic root of 199338842 is about 584.1584236648.

The spelling of 199338842 in words is "one hundred ninety-nine million, three hundred thirty-eight thousand, eight hundred forty-two".