199550342 has 8 divisors (see below), whose sum is σ = 299646432. Its totient is φ = 99668200.

The previous prime is 199550339. The next prime is 199550347. The reversal of 199550342 is 243055991.

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

It is a junction number, because it is equal to n+sod(n) for n = 199550296 and 199550305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199550347) 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, 51134 + ... + 54897.

It is an arithmetic number, because the mean of its divisors is an integer number (37455804).

Almost surely, 2^199550342 is an apocalyptic number.

199550342 is a deficient number, since it is larger than the sum of its proper divisors (100096090).

199550342 is a wasteful number, since it uses less digits than its factorization.

199550342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106974.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 199550342 is about 14126.2288668986. The cubic root of 199550342 is about 584.3649494568.

The spelling of 199550342 in words is "one hundred ninety-nine million, five hundred fifty thousand, three hundred forty-two".