6809444 has 12 divisors (see below), whose sum is σ = 12207468. Its totient is φ = 3321600.

The previous prime is 6809423. The next prime is 6809459. The reversal of 6809444 is 4449086.

It can be written as a sum of positive squares in 2 ways, for example, as 2849344 + 3960100 = 1688^2 + 1990^2 .

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, 20597 + ... + 20924.

It is an arithmetic number, because the mean of its divisors is an integer number (1017289).

Almost surely, 2^6809444 is an apocalyptic number.

It is an amenable number.

6809444 is a deficient number, since it is larger than the sum of its proper divisors (5398024).

6809444 is a wasteful number, since it uses less digits than its factorization.

6809444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41566 (or 41564 counting only the distinct ones).

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

The square root of 6809444 is about 2609.4911381340. The cubic root of 6809444 is about 189.5413127602.

The spelling of 6809444 in words is "six million, eight hundred nine thousand, four hundred forty-four".