199992384 has 42 divisors (see below), whose sum is σ = 573243710. Its totient is φ = 66663936.

The previous prime is 199992293. The next prime is 199992389. The reversal of 199992384 is 483299991.

It can be written as a sum of positive squares in only one way, i.e., 105513984 + 94478400 = 10272^2 + 9720^2 .

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 199992384.

It is not an unprimeable number, because it can be changed into a prime (199992389) 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 5 ways as a sum of consecutive naturals, for example, 173029 + ... + 174180.

Almost surely, 2^199992384 is an apocalyptic number.

It is an amenable number.

199992384 is an abundant number, since it is smaller than the sum of its proper divisors (373251326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199992384 is a wasteful number, since it uses less digits than its factorization.

199992384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347227 (or 347214 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 54.

The square root of 199992384 is about 14141.8663549052. The cubic root of 199992384 is about 584.7961244420.

The spelling of 199992384 in words is "one hundred ninety-nine million, nine hundred ninety-two thousand, three hundred eighty-four".