6866266 has 24 divisors (see below), whose sum is σ = 11993940. Its totient is φ = 2935680.

The previous prime is 6866263. The next prime is 6866273. The reversal of 6866266 is 6626686.

It can be written as a sum of positive squares in 2 ways, for example, as 6682225 + 184041 = 2585^2 + 429^2 .

It is not an unprimeable number, because it can be changed into a prime (6866263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3280 + ... + 4948.

Almost surely, 2^6866266 is an apocalyptic number.

6866266 is a deficient number, since it is larger than the sum of its proper divisors (5127674).

6866266 is a wasteful number, since it uses less digits than its factorization.

6866266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710 (or 1699 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 6866266 is about 2620.3560826727. The cubic root of 6866266 is about 190.0670677358.

The spelling of 6866266 in words is "six million, eight hundred sixty-six thousand, two hundred sixty-six".