195994441 has 4 divisors (see below), whose sum is σ = 202752900. Its totient is φ = 189235984.

The previous prime is 195994429. The next prime is 195994483. The reversal of 195994441 is 144499591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 144499591 = 2467 ⋅58573.

It can be written as a sum of positive squares in 2 ways, for example, as 125350416 + 70644025 = 11196^2 + 8405^2 .

It is a cyclic number.

It is not a de Polignac number, because 195994441 - 2¹³ = 195986249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 195994391 and 195994400.

It is not an unprimeable number, because it can be changed into a prime (195995441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3379186 + ... + 3379243.

It is an arithmetic number, because the mean of its divisors is an integer number (50688225).

Almost surely, 2^195994441 is an apocalyptic number.

It is an amenable number.

195994441 is a deficient number, since it is larger than the sum of its proper divisors (6758459).

195994441 is an equidigital number, since it uses as much as digits as its factorization.

195994441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6758458.

The product of its digits is 233280, while the sum is 46.

The square root of 195994441 is about 13999.8014628780. The cubic root of 195994441 is about 580.8730816310.

The spelling of 195994441 in words is "one hundred ninety-five million, nine hundred ninety-four thousand, four hundred forty-one".