194084243 has 2 divisors, whose sum is σ = 194084244. Its totient is φ = 194084242.

The previous prime is 194084237. The next prime is 194084279. The reversal of 194084243 is 342480491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 194084243 - 2⁶ = 194084179 is a prime.

It is not a weakly prime, because it can be changed into another prime (194084213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97042121 + 97042122.

It is an arithmetic number, because the mean of its divisors is an integer number (97042122).

Almost surely, 2^194084243 is an apocalyptic number.

194084243 is a deficient number, since it is larger than the sum of its proper divisors (1).

194084243 is an equidigital number, since it uses as much as digits as its factorization.

194084243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 194084243 is about 13931.4120964100. The cubic root of 194084243 is about 578.9798187896.

The spelling of 194084243 in words is "one hundred ninety-four million, eighty-four thousand, two hundred forty-three".