6997806 has 16 divisors (see below), whose sum is σ = 15550800. Its totient is φ = 2332584.

The previous prime is 6997789. The next prime is 6997807. The reversal of 6997806 is 6087996.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6997807) 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, 64741 + ... + 64848.

It is an arithmetic number, because the mean of its divisors is an integer number (971925).

Almost surely, 2^6997806 is an apocalyptic number.

6997806 is an abundant number, since it is smaller than the sum of its proper divisors (8552994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6997806 is a wasteful number, since it uses less digits than its factorization.

6997806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129600 (or 129594 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 6997806 is about 2645.3366515436. The cubic root of 6997806 is about 191.2731306126.

The spelling of 6997806 in words is "six million, nine hundred ninety-seven thousand, eight hundred six".