6441868 has 6 divisors (see below), whose sum is σ = 11273276. Its totient is φ = 3220932.

The previous prime is 6441859. The next prime is 6441871. The reversal of 6441868 is 8681446.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 805230 + ... + 805237.

Almost surely, 2^6441868 is an apocalyptic number.

It is an amenable number.

6441868 is a deficient number, since it is larger than the sum of its proper divisors (4831408).

6441868 is a wasteful number, since it uses less digits than its factorization.

6441868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1610471 (or 1610469 counting only the distinct ones).

The product of its digits is 36864, while the sum is 37.

The square root of 6441868 is about 2538.0835289643. The cubic root of 6441868 is about 186.0675362717.

The spelling of 6441868 in words is "six million, four hundred forty-one thousand, eight hundred sixty-eight".