6866441 has 4 divisors (see below), whose sum is σ = 6872832. Its totient is φ = 6860052.

The previous prime is 6866437. The next prime is 6866449. The reversal of 6866441 is 1446686.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6866441 - 2² = 6866437 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 3 ways as a sum of consecutive naturals, for example, 1145 + ... + 3878.

It is an arithmetic number, because the mean of its divisors is an integer number (1718208).

Almost surely, 2^6866441 is an apocalyptic number.

It is an amenable number.

6866441 is a deficient number, since it is larger than the sum of its proper divisors (6391).

6866441 is a wasteful number, since it uses less digits than its factorization.

6866441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6390.

The product of its digits is 27648, while the sum is 35.

The square root of 6866441 is about 2620.3894748682. The cubic root of 6866441 is about 190.0686824638.

The spelling of 6866441 in words is "six million, eight hundred sixty-six thousand, four hundred forty-one".