3865113 has 24 divisors (see below), whose sum is σ = 6718400. Its totient is φ = 2091744.

The previous prime is 3865093. The next prime is 3865117. The reversal of 3865113 is 3115683.

3865113 is a `hidden beast` number, since 3 + 8 + 651 + 1 + 3 = 666.

It is not a de Polignac number, because 3865113 - 2¹⁰ = 3864089 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3865117) 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 23 ways as a sum of consecutive naturals, for example, 418 + ... + 2811.

Almost surely, 2^3865113 is an apocalyptic number.

It is an amenable number.

3865113 is a deficient number, since it is larger than the sum of its proper divisors (2853287).

3865113 is a wasteful number, since it uses less digits than its factorization.

3865113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3261 (or 3258 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 3865113 is about 1965.9890640591. The cubic root of 3865113 is about 156.9353324760.

The spelling of 3865113 in words is "three million, eight hundred sixty-five thousand, one hundred thirteen".