6863443 has 2 divisors, whose sum is σ = 6863444. Its totient is φ = 6863442.

The previous prime is 6863419. The next prime is 6863449. The reversal of 6863443 is 3443686.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6863443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6863399 and 6863408.

It is not a weakly prime, because it can be changed into another prime (6863449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3431721 + 3431722.

It is an arithmetic number, because the mean of its divisors is an integer number (3431722).

Almost surely, 2^6863443 is an apocalyptic number.

6863443 is a deficient number, since it is larger than the sum of its proper divisors (1).

6863443 is an equidigital number, since it uses as much as digits as its factorization.

6863443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 34.

The square root of 6863443 is about 2619.8173600463. The cubic root of 6863443 is about 190.0410160758.

The spelling of 6863443 in words is "six million, eight hundred sixty-three thousand, four hundred forty-three".