6806947 has 8 divisors (see below), whose sum is σ = 7797600. Its totient is φ = 5820864.

The previous prime is 6806939. The next prime is 6806957. The reversal of 6806947 is 7496086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6806947 - 2³ = 6806939 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6806957) 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, 3129 + ... + 4837.

It is an arithmetic number, because the mean of its divisors is an integer number (974700).

Almost surely, 2^6806947 is an apocalyptic number.

6806947 is a deficient number, since it is larger than the sum of its proper divisors (990653).

6806947 is a wasteful number, since it uses less digits than its factorization.

6806947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 6806947 is about 2609.0126484937. The cubic root of 6806947 is about 189.5181418758.

The spelling of 6806947 in words is "six million, eight hundred six thousand, nine hundred forty-seven".