6809401 has 8 divisors (see below), whose sum is σ = 7253064. Its totient is φ = 6370560.

The previous prime is 6809393. The next prime is 6809423. The reversal of 6809401 is 1049086.

6809401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1863225 + 4946176 = 1365^2 + 2224^2 .

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 6809401 - 2³ = 6809393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6809401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6809701) 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, 1971 + ... + 4183.

It is an arithmetic number, because the mean of its divisors is an integer number (906633).

Almost surely, 2^6809401 is an apocalyptic number.

It is an amenable number.

6809401 is a deficient number, since it is larger than the sum of its proper divisors (443663).

6809401 is a wasteful number, since it uses less digits than its factorization.

6809401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 6809401 is about 2609.4828989668. The cubic root of 6809401 is about 189.5409137901.

The spelling of 6809401 in words is "six million, eight hundred nine thousand, four hundred one".