6808478 has 4 divisors (see below), whose sum is σ = 10212720. Its totient is φ = 3404238.

The previous prime is 6808471. The next prime is 6808519. The reversal of 6808478 is 8748086.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6808471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1702118 + ... + 1702121.

It is an arithmetic number, because the mean of its divisors is an integer number (2553180).

Almost surely, 2^6808478 is an apocalyptic number.

6808478 is a deficient number, since it is larger than the sum of its proper divisors (3404242).

6808478 is a wasteful number, since it uses less digits than its factorization.

6808478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404241.

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 6808478 is about 2609.3060380109. The cubic root of 6808478 is about 189.5323494456.

The spelling of 6808478 in words is "six million, eight hundred eight thousand, four hundred seventy-eight".