6868261 has 8 divisors (see below), whose sum is σ = 7070624. Its totient is φ = 6667920.

The previous prime is 6868247. The next prime is 6868297. The reversal of 6868261 is 1628686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 3-Lehmer number, since φ(6868261) divides (6868261-1)³.

It is a cyclic number.

It is a Carmichael number.

It is not a de Polignac number, because 6868261 - 2⁵ = 6868229 is a prime.

It is a deceptive number, since it divides R_6868260.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6868261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6868201) 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 7 ways as a sum of consecutive naturals, for example, 8695 + ... + 9451.

It is an arithmetic number, because the mean of its divisors is an integer number (883828).

It is a Poulet number, since it divides 2^6868260-1.

Almost surely, 2^6868261 is an apocalyptic number.

It is an amenable number.

6868261 is a deficient number, since it is larger than the sum of its proper divisors (202363).

6868261 is a wasteful number, since it uses less digits than its factorization.

6868261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011.

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

The square root of 6868261 is about 2620.7367284792. The cubic root of 6868261 is about 190.0854740080.

The spelling of 6868261 in words is "six million, eight hundred sixty-eight thousand, two hundred sixty-one".