199010028 has 48 divisors (see below), whose sum is σ = 558629120. Its totient is φ = 53866944.

The previous prime is 199010027. The next prime is 199010051. The reversal of 199010028 is 820010991.

It is a junction number, because it is equal to n+sod(n) for n = 199009977 and 199010004.

It is not an unprimeable number, because it can be changed into a prime (199010027) 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 15 ways as a sum of consecutive naturals, for example, 60751 + ... + 63942.

Almost surely, 2^199010028 is an apocalyptic number.

It is an amenable number.

199010028 is an abundant number, since it is smaller than the sum of its proper divisors (359619092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199010028 is a wasteful number, since it uses less digits than its factorization.

199010028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124726 (or 124724 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 199010028 is about 14107.0914082244. The cubic root of 199010028 is about 583.8370526497.

The spelling of 199010028 in words is "one hundred ninety-nine million, ten thousand, twenty-eight".