199992924 has 36 divisors (see below), whose sum is σ = 511944160. Its totient is φ = 65819520.

The previous prime is 199992911. The next prime is 199992959. The reversal of 199992924 is 429299991.

199992924 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32317 + ... + 38004.

Almost surely, 2^199992924 is an apocalyptic number.

It is an amenable number.

199992924 is an abundant number, since it is smaller than the sum of its proper divisors (311951236).

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

199992924 is a wasteful number, since it uses less digits than its factorization.

199992924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70410 (or 70405 counting only the distinct ones).

The product of its digits is 944784, while the sum is 54.

The square root of 199992924 is about 14141.8854471389. The cubic root of 199992924 is about 584.7966507781.

The spelling of 199992924 in words is "one hundred ninety-nine million, nine hundred ninety-two thousand, nine hundred twenty-four".