6885443 has 2 divisors, whose sum is σ = 6885444. Its totient is φ = 6885442.

The previous prime is 6885419. The next prime is 6885451. The reversal of 6885443 is 3445886.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6885443 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6885397 and 6885406.

It is not a weakly prime, because it can be changed into another prime (6885413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3442721 + 3442722.

It is an arithmetic number, because the mean of its divisors is an integer number (3442722).

Almost surely, 2^6885443 is an apocalyptic number.

6885443 is a deficient number, since it is larger than the sum of its proper divisors (1).

6885443 is an equidigital number, since it uses as much as digits as its factorization.

6885443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 92160, while the sum is 38.

The square root of 6885443 is about 2624.0127667372. The cubic root of 6885443 is about 190.2438512589.

The spelling of 6885443 in words is "six million, eight hundred eighty-five thousand, four hundred forty-three".