3835865 has 16 divisors (see below), whose sum is σ = 5080320. Its totient is φ = 2757120.

The previous prime is 3835861. The next prime is 3835873. The reversal of 3835865 is 5685383.

It is not a de Polignac number, because 3835865 - 2² = 3835861 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3835861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4976 + ... + 5694.

It is an arithmetic number, because the mean of its divisors is an integer number (317520).

Almost surely, 2^3835865 is an apocalyptic number.

It is an amenable number.

3835865 is a deficient number, since it is larger than the sum of its proper divisors (1244455).

3835865 is a wasteful number, since it uses less digits than its factorization.

3835865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832.

The product of its digits is 86400, while the sum is 38.

The square root of 3835865 is about 1958.5364433679. The cubic root of 3835865 is about 156.5384772033.

The spelling of 3835865 in words is "three million, eight hundred thirty-five thousand, eight hundred sixty-five".