195820339 has 8 divisors (see below), whose sum is σ = 230054832. Its totient is φ = 164324640.

The previous prime is 195820337. The next prime is 195820349. The reversal of 195820339 is 933028591.

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 195820339 - 2¹ = 195820337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (195820337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684544 + ... + 684829.

It is an arithmetic number, because the mean of its divisors is an integer number (28756854).

Almost surely, 2^195820339 is an apocalyptic number.

195820339 is a deficient number, since it is larger than the sum of its proper divisors (34234493).

195820339 is a wasteful number, since it uses less digits than its factorization.

195820339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369397.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 195820339 is about 13993.5820646466. The cubic root of 195820339 is about 580.7010340217.

The spelling of 195820339 in words is "one hundred ninety-five million, eight hundred twenty thousand, three hundred thirty-nine".