6886349 has 2 divisors, whose sum is σ = 6886350. Its totient is φ = 6886348.

The previous prime is 6886331. The next prime is 6886357. The reversal of 6886349 is 9436886.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6538249 + 348100 = 2557^2 + 590^2 .

It is a cyclic number.

It is not a de Polignac number, because 6886349 - 2²⁰ = 5837773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6886549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3443174 + 3443175.

It is an arithmetic number, because the mean of its divisors is an integer number (3443175).

Almost surely, 2^6886349 is an apocalyptic number.

It is an amenable number.

6886349 is a deficient number, since it is larger than the sum of its proper divisors (1).

6886349 is an equidigital number, since it uses as much as digits as its factorization.

6886349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 44.

The square root of 6886349 is about 2624.1853974138. The cubic root of 6886349 is about 190.2521951118.

The spelling of 6886349 in words is "six million, eight hundred eighty-six thousand, three hundred forty-nine".