199976441 has 8 divisors (see below), whose sum is σ = 231956160. Its totient is φ = 168849648.

The previous prime is 199976437. The next prime is 199976449. The reversal of 199976441 is 144679991.

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 199976441 - 2² = 199976437 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 199976441.

It is not an unprimeable number, because it can be changed into a prime (199976449) 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, 212726 + ... + 213663.

It is an arithmetic number, because the mean of its divisors is an integer number (28994520).

Almost surely, 2^199976441 is an apocalyptic number.

It is an amenable number.

199976441 is a deficient number, since it is larger than the sum of its proper divisors (31979719).

199976441 is an equidigital number, since it uses as much as digits as its factorization.

199976441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426463.

The product of its digits is 489888, while the sum is 50.

The square root of 199976441 is about 14141.3026627677. The cubic root of 199976441 is about 584.7805844296.

The spelling of 199976441 in words is "one hundred ninety-nine million, nine hundred seventy-six thousand, four hundred forty-one".