194305927 has 2 divisors, whose sum is σ = 194305928. Its totient is φ = 194305926.

The previous prime is 194305883. The next prime is 194305931. The reversal of 194305927 is 729503491.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-194305927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 194305927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194305967) 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 as a sum of consecutive naturals, namely, 97152963 + 97152964.

It is an arithmetic number, because the mean of its divisors is an integer number (97152964).

Almost surely, 2^194305927 is an apocalyptic number.

194305927 is a deficient number, since it is larger than the sum of its proper divisors (1).

194305927 is an equidigital number, since it uses as much as digits as its factorization.

194305927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 194305927 is about 13939.3660903213. The cubic root of 194305927 is about 579.2001728029.

The spelling of 194305927 in words is "one hundred ninety-four million, three hundred five thousand, nine hundred twenty-seven".