195339444 has 12 divisors (see below), whose sum is σ = 455792064. Its totient is φ = 65113144.

The previous prime is 195339433. The next prime is 195339449. The reversal of 195339444 is 444933591.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 195339396 and 195339405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195339449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8139132 + ... + 8139155.

It is an arithmetic number, because the mean of its divisors is an integer number (37982672).

Almost surely, 2^195339444 is an apocalyptic number.

It is an amenable number.

195339444 is an abundant number, since it is smaller than the sum of its proper divisors (260452620).

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

195339444 is a wasteful number, since it uses less digits than its factorization.

195339444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16278294 (or 16278292 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 195339444 is about 13976.3888039794. The cubic root of 195339444 is about 580.2252830750.

The spelling of 195339444 in words is "one hundred ninety-five million, three hundred thirty-nine thousand, four hundred forty-four".