195939446 has 8 divisors (see below), whose sum is σ = 297935544. Its totient is φ = 96627600.

The previous prime is 195939439. The next prime is 195939473. The reversal of 195939446 is 644939591.

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

It is a junction number, because it is equal to n+sod(n) for n = 195939394 and 195939403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670880 + ... + 671171.

It is an arithmetic number, because the mean of its divisors is an integer number (37241943).

Almost surely, 2^195939446 is an apocalyptic number.

195939446 is a deficient number, since it is larger than the sum of its proper divisors (101996098).

195939446 is a wasteful number, since it uses less digits than its factorization.

195939446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342126.

The product of its digits is 1049760, while the sum is 50.

The square root of 195939446 is about 13997.8371900805. The cubic root of 195939446 is about 580.8187465806.

The spelling of 195939446 in words is "one hundred ninety-five million, nine hundred thirty-nine thousand, four hundred forty-six".