199792 has 10 divisors (see below), whose sum is σ = 387128. Its totient is φ = 99888.

The previous prime is 199783. The next prime is 199799. The reversal of 199792 is 297991.

It is a nialpdrome in base 12.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199799) by changing a digit.

199792 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6228 + ... + 6259.

2¹⁹⁹⁷⁹² is an apocalyptic number.

It is an amenable number.

199792 is a deficient number, since it is larger than the sum of its proper divisors (187336).

199792 is a wasteful number, since it uses less digits than its factorization.

199792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12495 (or 12489 counting only the distinct ones).

The product of its digits is 10206, while the sum is 37.

The square root of 199792 is about 446.9809839356. The cubic root of 199792 is about 58.4600745425.

The spelling of 199792 in words is "one hundred ninety-nine thousand, seven hundred ninety-two".