4063865 has 16 divisors (see below), whose sum is σ = 5311488. Its totient is φ = 2966976.

The previous prime is 4063859. The next prime is 4063877. The reversal of 4063865 is 5683604.

4063865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4063865 - 2¹⁰ = 4062841 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6392 + ... + 6998.

It is an arithmetic number, because the mean of its divisors is an integer number (331968).

Almost surely, 2^4063865 is an apocalyptic number.

It is an amenable number.

4063865 is a deficient number, since it is larger than the sum of its proper divisors (1247623).

4063865 is a wasteful number, since it uses less digits than its factorization.

4063865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 4063865 is about 2015.9030234612. The cubic root of 4063865 is about 159.5804764824.

The spelling of 4063865 in words is "four million, sixty-three thousand, eight hundred sixty-five".