8669443 has 2 divisors, whose sum is σ = 8669444. Its totient is φ = 8669442.

The previous prime is 8669417. The next prime is 8669447. The reversal of 8669443 is 3449668.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8669443 - 2⁵ = 8669411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8669396 and 8669405.

It is not a weakly prime, because it can be changed into another prime (8669447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4334721 + 4334722.

It is an arithmetic number, because the mean of its divisors is an integer number (4334722).

Almost surely, 2^8669443 is an apocalyptic number.

8669443 is a deficient number, since it is larger than the sum of its proper divisors (1).

8669443 is an equidigital number, since it uses as much as digits as its factorization.

8669443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 40.

The square root of 8669443 is about 2944.3917877891. The cubic root of 8669443 is about 205.4299364714.

The spelling of 8669443 in words is "eight million, six hundred sixty-nine thousand, four hundred forty-three".