6806444 has 12 divisors (see below), whose sum is σ = 11956224. Its totient is φ = 3390384.

The previous prime is 6806431. The next prime is 6806467. The reversal of 6806444 is 4446086.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6806444.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1964 + ... + 4179.

It is an arithmetic number, because the mean of its divisors is an integer number (996352).

Almost surely, 2^6806444 is an apocalyptic number.

It is an amenable number.

6806444 is a deficient number, since it is larger than the sum of its proper divisors (5149780).

6806444 is a wasteful number, since it uses less digits than its factorization.

6806444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6424 (or 6422 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 6806444 is about 2608.9162500931. The cubic root of 6806444 is about 189.5134736071.

The spelling of 6806444 in words is "six million, eight hundred six thousand, four hundred forty-four".