6945806 has 16 divisors (see below), whose sum is σ = 11942016. Its totient is φ = 2968056.

The previous prime is 6945803. The next prime is 6945817. The reversal of 6945806 is 6085496.

It is a self number, because there is not a number n which added to its sum of digits gives 6945806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6945803) 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 7 ways as a sum of consecutive naturals, for example, 7205 + ... + 8111.

It is an arithmetic number, because the mean of its divisors is an integer number (746376).

Almost surely, 2^6945806 is an apocalyptic number.

6945806 is a deficient number, since it is larger than the sum of its proper divisors (4996210).

6945806 is a wasteful number, since it uses less digits than its factorization.

6945806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 6945806 is about 2635.4897078152. The cubic root of 6945806 is about 190.7981750137.

The spelling of 6945806 in words is "six million, nine hundred forty-five thousand, eight hundred six".