3865713 has 4 divisors (see below), whose sum is σ = 5154288. Its totient is φ = 2577140.

The previous prime is 3865691. The next prime is 3865733. The reversal of 3865713 is 3175683.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3865713 - 2⁸ = 3865457 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3865733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644283 + ... + 644288.

It is an arithmetic number, because the mean of its divisors is an integer number (1288572).

Almost surely, 2^3865713 is an apocalyptic number.

It is an amenable number.

3865713 is a deficient number, since it is larger than the sum of its proper divisors (1288575).

3865713 is a wasteful number, since it uses less digits than its factorization.

3865713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288574.

The product of its digits is 15120, while the sum is 33.

The square root of 3865713 is about 1966.1416530861. The cubic root of 3865713 is about 156.9434526635.

The spelling of 3865713 in words is "three million, eight hundred sixty-five thousand, seven hundred thirteen".