8445841 has 2 divisors, whose sum is σ = 8445842. Its totient is φ = 8445840.

The previous prime is 8445799. The next prime is 8445847. The reversal of 8445841 is 1485448.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7311616 + 1134225 = 2704^2 + 1065^2 .

It is a cyclic number.

It is not a de Polignac number, because 8445841 - 2¹⁵ = 8413073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8445797 and 8445806.

It is not a weakly prime, because it can be changed into another prime (8445847) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4222920 + 4222921.

It is an arithmetic number, because the mean of its divisors is an integer number (4222921).

Almost surely, 2^8445841 is an apocalyptic number.

It is an amenable number.

8445841 is a deficient number, since it is larger than the sum of its proper divisors (1).

8445841 is an equidigital number, since it uses as much as digits as its factorization.

8445841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20480, while the sum is 34.

The square root of 8445841 is about 2906.1729129561. The cubic root of 8445841 is about 203.6483834691.

The spelling of 8445841 in words is "eight million, four hundred forty-five thousand, eight hundred forty-one".