6881266 has 20 divisors (see below), whose sum is σ = 12049902. Its totient is φ = 2947056.

The previous prime is 6881263. The next prime is 6881269. The reversal of 6881266 is 6621886.

It is an interprime number because it is at equal distance from previous prime (6881263) and next prime (6881269).

It can be written as a sum of positive squares in only one way, i.e., 4862025 + 2019241 = 2205^2 + 1421^2 .

It is not an unprimeable number, because it can be changed into a prime (6881261) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4086 + ... + 5518.

Almost surely, 2^6881266 is an apocalyptic number.

6881266 is a deficient number, since it is larger than the sum of its proper divisors (5168636).

6881266 is an equidigital number, since it uses as much as digits as its factorization.

6881266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463 (or 1442 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 6881266 is about 2623.2167276075. The cubic root of 6881266 is about 190.2053734970.

The spelling of 6881266 in words is "six million, eight hundred eighty-one thousand, two hundred sixty-six".