3856065 has 16 divisors (see below), whose sum is σ = 6438528. Its totient is φ = 1966976.

The previous prime is 3856037. The next prime is 3856067. The reversal of 3856065 is 5606583.

It is a cyclic number.

It is not a de Polignac number, because 3856065 - 2⁵ = 3856033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3856067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5244 + ... + 5933.

It is an arithmetic number, because the mean of its divisors is an integer number (402408).

Almost surely, 2^3856065 is an apocalyptic number.

It is an amenable number.

3856065 is a deficient number, since it is larger than the sum of its proper divisors (2582463).

3856065 is a wasteful number, since it uses less digits than its factorization.

3856065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11208.

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

The square root of 3856065 is about 1963.6865839538. The cubic root of 3856065 is about 156.8127780307.

The spelling of 3856065 in words is "three million, eight hundred fifty-six thousand, sixty-five".