6866443 has 8 divisors (see below), whose sum is σ = 7257600. Its totient is φ = 6483048.

The previous prime is 6866437. The next prime is 6866449. The reversal of 6866443 is 3446686.

It is an interprime number because it is at equal distance from previous prime (6866437) and next prime (6866449).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6866443 - 2⁵ = 6866411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6866449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73 + ... + 3706.

It is an arithmetic number, because the mean of its divisors is an integer number (907200).

Almost surely, 2^6866443 is an apocalyptic number.

6866443 is a deficient number, since it is larger than the sum of its proper divisors (391157).

6866443 is a wasteful number, since it uses less digits than its factorization.

6866443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3881.

The product of its digits is 82944, while the sum is 37.

The square root of 6866443 is about 2620.3898564908. The cubic root of 6866443 is about 190.0687009176.

The spelling of 6866443 in words is "six million, eight hundred sixty-six thousand, four hundred forty-three".