8448191 has 2 divisors, whose sum is σ = 8448192. Its totient is φ = 8448190.

The previous prime is 8448161. The next prime is 8448197. The reversal of 8448191 is 1918448.

8448191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8448191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8448197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4224095 + 4224096.

It is an arithmetic number, because the mean of its divisors is an integer number (4224096).

Almost surely, 2^8448191 is an apocalyptic number.

8448191 is a deficient number, since it is larger than the sum of its proper divisors (1).

8448191 is an equidigital number, since it uses as much as digits as its factorization.

8448191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 35.

The square root of 8448191 is about 2906.5771966352. The cubic root of 8448191 is about 203.6672696610.

The spelling of 8448191 in words is "eight million, four hundred forty-eight thousand, one hundred ninety-one".