199964992 has 28 divisors (see below), whose sum is σ = 398613376. Its totient is φ = 99527040.

The previous prime is 199964959. The next prime is 199964993. The reversal of 199964992 is 299469991.

199964992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199964993) 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, 7267 + ... + 21277.

It is an arithmetic number, because the mean of its divisors is an integer number (14236192).

Almost surely, 2^199964992 is an apocalyptic number.

It is an amenable number.

199964992 is a deficient number, since it is larger than the sum of its proper divisors (198648384).

199964992 is a wasteful number, since it uses less digits than its factorization.

199964992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14246 (or 14236 counting only the distinct ones).

The product of its digits is 2834352, while the sum is 58.

The square root of 199964992 is about 14140.8978498538. The cubic root of 199964992 is about 584.7694243139.

The spelling of 199964992 in words is "one hundred ninety-nine million, nine hundred sixty-four thousand, nine hundred ninety-two".