6868631 has 8 divisors (see below), whose sum is σ = 8563584. Its totient is φ = 5352120.

The previous prime is 6868613. The next prime is 6868649. The reversal of 6868631 is 1368686.

It is an interprime number because it is at equal distance from previous prime (6868613) and next prime (6868649).

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

It is a cyclic number.

It is not a de Polignac number, because 6868631 - 2¹⁴ = 6852247 is a prime.

It is a super-2 number, since 2×6868631² = 94356183628322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6868681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44525 + ... + 44678.

It is an arithmetic number, because the mean of its divisors is an integer number (1070448).

Almost surely, 2^6868631 is an apocalyptic number.

6868631 is a deficient number, since it is larger than the sum of its proper divisors (1694953).

6868631 is a wasteful number, since it uses less digits than its factorization.

6868631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89221.

The product of its digits is 41472, while the sum is 38.

The square root of 6868631 is about 2620.8073183659. The cubic root of 6868631 is about 190.0888873107.

Subtracting from 6868631 its reverse (1368686), we obtain a palindrome (5499945).

The spelling of 6868631 in words is "six million, eight hundred sixty-eight thousand, six hundred thirty-one".