6868868 has 6 divisors (see below), whose sum is σ = 12020526. Its totient is φ = 3434432.

The previous prime is 6868859. The next prime is 6868871. The reversal of 6868868 is 8688686.

It can be written as a sum of positive squares in only one way, i.e., 6646084 + 222784 = 2578^2 + 472^2 .

It is a plaindrome in base 7.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 858605 + ... + 858612.

It is an arithmetic number, because the mean of its divisors is an integer number (2003421).

Almost surely, 2^6868868 is an apocalyptic number.

It is an amenable number.

6868868 is a deficient number, since it is larger than the sum of its proper divisors (5151658).

6868868 is a wasteful number, since it uses less digits than its factorization.

6868868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717221 (or 1717219 counting only the distinct ones).

The product of its digits is 884736, while the sum is 50.

The square root of 6868868 is about 2620.8525330510. The cubic root of 6868868 is about 190.0910736051.

The spelling of 6868868 in words is "six million, eight hundred sixty-eight thousand, eight hundred sixty-eight".