195391883 has 8 divisors (see below), whose sum is σ = 197413440. Its totient is φ = 193379400.

The previous prime is 195391843. The next prime is 195391921. The reversal of 195391883 is 388193591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 195391883 - 2²² = 191197579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195391843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46208 + ... + 50258.

It is an arithmetic number, because the mean of its divisors is an integer number (24676680).

Almost surely, 2^195391883 is an apocalyptic number.

195391883 is a deficient number, since it is larger than the sum of its proper divisors (2021557).

195391883 is a wasteful number, since it uses less digits than its factorization.

195391883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4537.

The product of its digits is 233280, while the sum is 47.

The square root of 195391883 is about 13978.2646633980. The cubic root of 195391883 is about 580.2771990471.

The spelling of 195391883 in words is "one hundred ninety-five million, three hundred ninety-one thousand, eight hundred eighty-three".