193948207 has 2 divisors, whose sum is σ = 193948208. Its totient is φ = 193948206.

The previous prime is 193948199. The next prime is 193948231. The reversal of 193948207 is 702849391.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 193948207 - 2³ = 193948199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (193948247) 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, 96974103 + 96974104.

It is an arithmetic number, because the mean of its divisors is an integer number (96974104).

Almost surely, 2^193948207 is an apocalyptic number.

193948207 is a deficient number, since it is larger than the sum of its proper divisors (1).

193948207 is an equidigital number, since it uses as much as digits as its factorization.

193948207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 193948207 is about 13926.5288927284. The cubic root of 193948207 is about 578.8445158470.

The spelling of 193948207 in words is "one hundred ninety-three million, nine hundred forty-eight thousand, two hundred seven".