6808289 has 4 divisors (see below), whose sum is σ = 7166640. Its totient is φ = 6449940.

The previous prime is 6808273. The next prime is 6808397. The reversal of 6808289 is 9828086.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 6808289 - 2⁴ = 6808273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6808229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179147 + ... + 179184.

It is an arithmetic number, because the mean of its divisors is an integer number (1791660).

Almost surely, 2^6808289 is an apocalyptic number.

It is an amenable number.

6808289 is a deficient number, since it is larger than the sum of its proper divisors (358351).

6808289 is a wasteful number, since it uses less digits than its factorization.

6808289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358350.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 6808289 is about 2609.2698212335. The cubic root of 6808289 is about 189.5305956545.

The spelling of 6808289 in words is "six million, eight hundred eight thousand, two hundred eighty-nine".