6801866 has 16 divisors (see below), whose sum is σ = 10475520. Its totient is φ = 3311280.

The previous prime is 6801833. The next prime is 6801877. The reversal of 6801866 is 6681086.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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, 15275 + ... + 15713.

It is an arithmetic number, because the mean of its divisors is an integer number (654720).

Almost surely, 2^6801866 is an apocalyptic number.

6801866 is a deficient number, since it is larger than the sum of its proper divisors (3673654).

6801866 is a wasteful number, since it uses less digits than its factorization.

6801866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 6801866 is about 2608.0387267063. The cubic root of 6801866 is about 189.4709752889.

It can be divided in two parts, 6801 and 866, that added together give a palindrome (7667).

The spelling of 6801866 in words is "six million, eight hundred one thousand, eight hundred sixty-six".