199900029 has 8 divisors (see below), whose sum is σ = 304609600. Its totient is φ = 114228576.

The previous prime is 199900013. The next prime is 199900033. The reversal of 199900029 is 920009991.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 199900029 - 2⁴ = 199900013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 199900029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199900049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4759504 + ... + 4759545.

It is an arithmetic number, because the mean of its divisors is an integer number (38076200).

Almost surely, 2^199900029 is an apocalyptic number.

It is an amenable number.

199900029 is a deficient number, since it is larger than the sum of its proper divisors (104709571).

199900029 is an equidigital number, since it uses as much as digits as its factorization.

199900029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9519059.

The product of its (nonzero) digits is 13122, while the sum is 39.

The square root of 199900029 is about 14138.6006733340. The cubic root of 199900029 is about 584.7060924105.

The spelling of 199900029 in words is "one hundred ninety-nine million, nine hundred thousand, twenty-nine".