3856668 has 24 divisors (see below), whose sum is σ = 9030672. Its totient is φ = 1281024.

The previous prime is 3856667. The next prime is 3856703. The reversal of 3856668 is 8666583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3856661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6396 + ... + 6972.

It is an arithmetic number, because the mean of its divisors is an integer number (376278).

Almost surely, 2^3856668 is an apocalyptic number.

It is an amenable number.

3856668 is an abundant number, since it is smaller than the sum of its proper divisors (5174004).

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

3856668 is a wasteful number, since it uses less digits than its factorization.

3856668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1139 counting only the distinct ones).

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

The square root of 3856668 is about 1963.8401156917. The cubic root of 3856668 is about 156.8209515770.

The spelling of 3856668 in words is "three million, eight hundred fifty-six thousand, six hundred sixty-eight".