6811406 has 16 divisors (see below), whose sum is σ = 11788416. Its totient is φ = 2891256.

The previous prime is 6811403. The next prime is 6811423. The reversal of 6811406 is 6041186.

It is a Curzon number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6811403) 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, 776 + ... + 3771.

It is an arithmetic number, because the mean of its divisors is an integer number (736776).

Almost surely, 2^6811406 is an apocalyptic number.

6811406 is a deficient number, since it is larger than the sum of its proper divisors (4977010).

6811406 is a wasteful number, since it uses less digits than its factorization.

6811406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4663.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 6811406 is about 2609.8670464221. The cubic root of 6811406 is about 189.5595151443.

The spelling of 6811406 in words is "six million, eight hundred eleven thousand, four hundred six".