195818828 has 12 divisors (see below), whose sum is σ = 342783672. Its totient is φ = 97880640.

The previous prime is 195818813. The next prime is 195818839. The reversal of 195818828 is 828818591.

It is a happy number.

It is an unprimeable number.

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, 17651 + ... + 26517.

It is an arithmetic number, because the mean of its divisors is an integer number (28565306).

Almost surely, 2^195818828 is an apocalyptic number.

It is an amenable number.

195818828 is a deficient number, since it is larger than the sum of its proper divisors (146964844).

195818828 is a wasteful number, since it uses less digits than its factorization.

195818828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14392 (or 14390 counting only the distinct ones).

The product of its digits is 368640, while the sum is 50.

The square root of 195818828 is about 13993.5280755069. The cubic root of 195818828 is about 580.6995404052.

The spelling of 195818828 in words is "one hundred ninety-five million, eight hundred eighteen thousand, eight hundred twenty-eight".