199376928 has 36 divisors (see below), whose sum is σ = 566978958. Its totient is φ = 66458880.

The previous prime is 199376911. The next prime is 199376953. The reversal of 199376928 is 829673991.

It can be written as a sum of positive squares in only one way, i.e., 132987024 + 66389904 = 11532^2 + 8148^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 345853 + ... + 346428.

Almost surely, 2^199376928 is an apocalyptic number.

199376928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

199376928 is an abundant number, since it is smaller than the sum of its proper divisors (367602030).

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

199376928 is a wasteful number, since it uses less digits than its factorization.

199376928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692297 (or 692286 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 199376928 is about 14120.0895181298. The cubic root of 199376928 is about 584.1956247119.

The spelling of 199376928 in words is "one hundred ninety-nine million, three hundred seventy-six thousand, nine hundred twenty-eight".