199771204 has 12 divisors (see below), whose sum is σ = 356196204. Its totient is φ = 98000864.

The previous prime is 199771141. The next prime is 199771207. The reversal of 199771204 is 402177991.

It can be written as a sum of positive squares in 2 ways, for example, as 83174400 + 116596804 = 9120^2 + 10798^2 .

It is not an unprimeable number, because it can be changed into a prime (199771207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470947 + ... + 471370.

It is an arithmetic number, because the mean of its divisors is an integer number (29683017).

Almost surely, 2^199771204 is an apocalyptic number.

It is an amenable number.

199771204 is a deficient number, since it is larger than the sum of its proper divisors (156425000).

199771204 is a wasteful number, since it uses less digits than its factorization.

199771204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942374 (or 942372 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 199771204 is about 14134.0441487920. The cubic root of 199771204 is about 584.5804613647.

The spelling of 199771204 in words is "one hundred ninety-nine million, seven hundred seventy-one thousand, two hundred four".