3856560 has 40 divisors (see below), whose sum is σ = 11956080. Its totient is φ = 1028352.

The previous prime is 3856549. The next prime is 3856561. The reversal of 3856560 is 656583.

3856560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (3856561) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 7795 + ... + 8274.

It is an arithmetic number, because the mean of its divisors is an integer number (298902).

Almost surely, 2^3856560 is an apocalyptic number.

3856560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3856560 is an abundant number, since it is smaller than the sum of its proper divisors (8099520).

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

3856560 is a wasteful number, since it uses less digits than its factorization.

3856560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16085 (or 16079 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 3856560 is about 1963.8126183524. The cubic root of 3856560 is about 156.8194877209.

The spelling of 3856560 in words is "three million, eight hundred fifty-six thousand, five hundred sixty".