3866568 has 32 divisors (see below), whose sum is σ = 9980160. Its totient is φ = 1247040.

The previous prime is 3866543. The next prime is 3866581. The reversal of 3866568 is 8656683.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1855 + ... + 3342.

It is an arithmetic number, because the mean of its divisors is an integer number (311880).

Almost surely, 2^3866568 is an apocalyptic number.

It is an amenable number.

3866568 is an abundant number, since it is smaller than the sum of its proper divisors (6113592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3866568 is a wasteful number, since it uses less digits than its factorization.

3866568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5237 (or 5233 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 3866568 is about 1966.3590719907. The cubic root of 3866568 is about 156.9550224792.

The spelling of 3866568 in words is "three million, eight hundred sixty-six thousand, five hundred sixty-eight".