199900441 has 8 divisors (see below), whose sum is σ = 217253960. Its totient is φ = 182829312.

The previous prime is 199900427. The next prime is 199900453. The reversal of 199900441 is 144009991.

It can be written as a sum of positive squares in 4 ways, for example, as 6579225 + 193321216 = 2565^2 + 13904^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 199900441 - 2⁷ = 199900313 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 199900441.

It is not an unprimeable number, because it can be changed into a prime (199900411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69120 + ... + 71953.

It is an arithmetic number, because the mean of its divisors is an integer number (27156745).

Almost surely, 2^199900441 is an apocalyptic number.

It is an amenable number.

199900441 is a deficient number, since it is larger than the sum of its proper divisors (17353519).

199900441 is a wasteful number, since it uses less digits than its factorization.

199900441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141195.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 199900441 is about 14138.6152433681. The cubic root of 199900441 is about 584.7064941092.

The spelling of 199900441 in words is "one hundred ninety-nine million, nine hundred thousand, four hundred forty-one".