199628275 has 24 divisors (see below), whose sum is σ = 308623104. Its totient is φ = 124442400.

The previous prime is 199628237. The next prime is 199628279. The reversal of 199628275 is 572826991.

It is not a de Polignac number, because 199628275 - 2⁷ = 199628147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199628279) 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 23 ways as a sum of consecutive naturals, for example, 49927 + ... + 53776.

It is an arithmetic number, because the mean of its divisors is an integer number (12859296).

Almost surely, 2^199628275 is an apocalyptic number.

199628275 is a deficient number, since it is larger than the sum of its proper divisors (108994829).

199628275 is a wasteful number, since it uses less digits than its factorization.

199628275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103731 (or 103726 counting only the distinct ones).

The product of its digits is 544320, while the sum is 49.

The square root of 199628275 is about 14128.9870479097. The cubic root of 199628275 is about 584.4410127797.

The spelling of 199628275 in words is "one hundred ninety-nine million, six hundred twenty-eight thousand, two hundred seventy-five".