195312944 has 20 divisors (see below), whose sum is σ = 382980696. Its totient is φ = 96479232.

The previous prime is 195312917. The next prime is 195312947. The reversal of 195312944 is 449213591.

It is a junction number, because it is equal to n+sod(n) for n = 195312898 and 195312907.

It is not an unprimeable number, because it can be changed into a prime (195312947) 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, 72209 + ... + 74864.

Almost surely, 2^195312944 is an apocalyptic number.

It is an amenable number.

195312944 is a deficient number, since it is larger than the sum of its proper divisors (187667752).

195312944 is a wasteful number, since it uses less digits than its factorization.

195312944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147164 (or 147158 counting only the distinct ones).

The product of its digits is 38880, while the sum is 38.

The square root of 195312944 is about 13975.4407443916. The cubic root of 195312944 is about 580.1990438526.

The spelling of 195312944 in words is "one hundred ninety-five million, three hundred twelve thousand, nine hundred forty-four".