199868002 has 8 divisors (see below), whose sum is σ = 300246876. Its totient is φ = 99785712.

The previous prime is 199867981. The next prime is 199868003. The reversal of 199868002 is 200868991.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 173949721 + 25918281 = 13189^2 + 5091^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 199868002.

It is not an unprimeable number, because it can be changed into a prime (199868003) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 72453 + ... + 75160.

Almost surely, 2^199868002 is an apocalyptic number.

199868002 is a deficient number, since it is larger than the sum of its proper divisors (100378874).

199868002 is a wasteful number, since it uses less digits than its factorization.

199868002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148292.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 199868002 is about 14137.4680194156. The cubic root of 199868002 is about 584.6748644974.

The spelling of 199868002 in words is "one hundred ninety-nine million, eight hundred sixty-eight thousand, two".