6866291 has 2 divisors, whose sum is σ = 6866292. Its totient is φ = 6866290.

The previous prime is 6866287. The next prime is 6866329. The reversal of 6866291 is 1926686.

6866291 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (6866329) can be obtained adding 6866291 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6866291 - 2² = 6866287 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6866191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3433145 + 3433146.

It is an arithmetic number, because the mean of its divisors is an integer number (3433146).

Almost surely, 2^6866291 is an apocalyptic number.

6866291 is a deficient number, since it is larger than the sum of its proper divisors (1).

6866291 is an equidigital number, since it uses as much as digits as its factorization.

6866291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 38.

The square root of 6866291 is about 2620.3608530124. The cubic root of 6866291 is about 190.0672984129.

The spelling of 6866291 in words is "six million, eight hundred sixty-six thousand, two hundred ninety-one".