199442792 has 16 divisors (see below), whose sum is σ = 374256960. Its totient is φ = 99640944.

The previous prime is 199442779. The next prime is 199442797. The reversal of 199442792 is 297244991.

It is not an unprimeable number, because it can be changed into a prime (199442797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223 + ... + 20009.

It is an arithmetic number, because the mean of its divisors is an integer number (23391060).

Almost surely, 2^199442792 is an apocalyptic number.

It is an amenable number.

199442792 is a deficient number, since it is larger than the sum of its proper divisors (174814168).

199442792 is a wasteful number, since it uses less digits than its factorization.

199442792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20120 (or 20116 counting only the distinct ones).

The product of its digits is 326592, while the sum is 47.

The square root of 199442792 is about 14122.4216053763. The cubic root of 199442792 is about 584.2599471400.

The spelling of 199442792 in words is "one hundred ninety-nine million, four hundred forty-two thousand, seven hundred ninety-two".