195944097 has 8 divisors (see below), whose sum is σ = 270267840. Its totient is φ = 126124880.

The previous prime is 195944069. The next prime is 195944123. The reversal of 195944097 is 790449591.

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 195944097 - 2⁸ = 195943841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (195944197) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1126029 + ... + 1126202.

It is an arithmetic number, because the mean of its divisors is an integer number (33783480).

Almost surely, 2^195944097 is an apocalyptic number.

It is an amenable number.

195944097 is a deficient number, since it is larger than the sum of its proper divisors (74323743).

195944097 is a wasteful number, since it uses less digits than its factorization.

195944097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252263.

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 195944097 is about 13998.0033219027. The cubic root of 195944097 is about 580.8233421614.

It can be divided in two parts, 1959 and 44097, that added together give a triangular number (46056 = T₃₀₃).

The spelling of 195944097 in words is "one hundred ninety-five million, nine hundred forty-four thousand, ninety-seven".