8268691 has 2 divisors, whose sum is σ = 8268692. Its totient is φ = 8268690.

The previous prime is 8268679. The next prime is 8268697. The reversal of 8268691 is 1968628.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8268691 - 2⁷ = 8268563 is a prime.

It is not a weakly prime, because it can be changed into another prime (8268697) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4134345 + 4134346.

It is an arithmetic number, because the mean of its divisors is an integer number (4134346).

Almost surely, 2^8268691 is an apocalyptic number.

8268691 is a deficient number, since it is larger than the sum of its proper divisors (1).

8268691 is an equidigital number, since it uses as much as digits as its factorization.

8268691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 40.

The square root of 8268691 is about 2875.5331679534. The cubic root of 8268691 is about 202.2144815273.

The spelling of 8268691 in words is "eight million, two hundred sixty-eight thousand, six hundred ninety-one".