199650028 has 12 divisors (see below), whose sum is σ = 364578480. Its totient is φ = 95484752.

The previous prime is 199650001. The next prime is 199650029. The reversal of 199650028 is 820056991.

It is not an unprimeable number, because it can be changed into a prime (199650029) 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, 1084963 + ... + 1085146.

It is an arithmetic number, because the mean of its divisors is an integer number (30381540).

Almost surely, 2^199650028 is an apocalyptic number.

It is an amenable number.

199650028 is a deficient number, since it is larger than the sum of its proper divisors (164928452).

199650028 is a wasteful number, since it uses less digits than its factorization.

199650028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170136 (or 2170134 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 199650028 is about 14129.7568273484. The cubic root of 199650028 is about 584.4622403732.

The spelling of 199650028 in words is "one hundred ninety-nine million, six hundred fifty thousand, twenty-eight".