195021896 has 16 divisors (see below), whose sum is σ = 367266300. Its totient is φ = 97084224.

The previous prime is 195021859. The next prime is 195021917. The reversal of 195021896 is 698120591.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 161544100 + 33477796 = 12710^2 + 5786^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51395 + ... + 55058.

Almost surely, 2^195021896 is an apocalyptic number.

It is an amenable number.

195021896 is a deficient number, since it is larger than the sum of its proper divisors (172244404).

195021896 is a wasteful number, since it uses less digits than its factorization.

195021896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106688 (or 106684 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 195021896 is about 13965.0240243259. The cubic root of 195021896 is about 579.9107036526.

The spelling of 195021896 in words is "one hundred ninety-five million, twenty-one thousand, eight hundred ninety-six".