3868868 has 12 divisors (see below), whose sum is σ = 6953772. Its totient is φ = 1882080.

The previous prime is 3868849. The next prime is 3868897. The reversal of 3868868 is 8688683.

It can be written as a sum of positive squares in 2 ways, for example, as 3125824 + 743044 = 1768^2 + 862^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12923 + ... + 13218.

It is an arithmetic number, because the mean of its divisors is an integer number (579481).

Almost surely, 2^3868868 is an apocalyptic number.

It is an amenable number.

3868868 is a deficient number, since it is larger than the sum of its proper divisors (3084904).

3868868 is a wasteful number, since it uses less digits than its factorization.

3868868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26182 (or 26180 counting only the distinct ones).

The product of its digits is 442368, while the sum is 47.

The square root of 3868868 is about 1966.9438222786. The cubic root of 3868868 is about 156.9861374970.

The spelling of 3868868 in words is "three million, eight hundred sixty-eight thousand, eight hundred sixty-eight".