194085443 has 2 divisors, whose sum is σ = 194085444. Its totient is φ = 194085442.

The previous prime is 194085439. The next prime is 194085473. The reversal of 194085443 is 344580491.

It is a weak prime.

It is an emirp because it is prime and its reverse (344580491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 194085443 - 2² = 194085439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194085397 and 194085406.

It is not a weakly prime, because it can be changed into another prime (194085403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97042721 + 97042722.

It is an arithmetic number, because the mean of its divisors is an integer number (97042722).

Almost surely, 2^194085443 is an apocalyptic number.

194085443 is a deficient number, since it is larger than the sum of its proper divisors (1).

194085443 is an equidigital number, since it uses as much as digits as its factorization.

194085443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 194085443 is about 13931.4551644830. The cubic root of 194085443 is about 578.9810120418.

The spelling of 194085443 in words is "one hundred ninety-four million, eighty-five thousand, four hundred forty-three".