6808406 has 32 divisors (see below), whose sum is σ = 11750400. Its totient is φ = 2930400.

The previous prime is 6808397. The next prime is 6808409. The reversal of 6808406 is 6048086.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6808409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45620 + ... + 45768.

It is an arithmetic number, because the mean of its divisors is an integer number (367200).

Almost surely, 2^6808406 is an apocalyptic number.

6808406 is a deficient number, since it is larger than the sum of its proper divisors (4941994).

6808406 is a wasteful number, since it uses less digits than its factorization.

6808406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 6808406 is about 2609.2922412026. The cubic root of 6808406 is about 189.5316813385.

The spelling of 6808406 in words is "six million, eight hundred eight thousand, four hundred six".