3865682 has 4 divisors (see below), whose sum is σ = 5798526. Its totient is φ = 1932840.

The previous prime is 3865663. The next prime is 3865691. The reversal of 3865682 is 2865683.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3798601 + 67081 = 1949^2 + 259^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 966419 + ... + 966422.

Almost surely, 2^3865682 is an apocalyptic number.

3865682 is a deficient number, since it is larger than the sum of its proper divisors (1932844).

3865682 is a wasteful number, since it uses less digits than its factorization.

3865682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932843.

The product of its digits is 69120, while the sum is 38.

The square root of 3865682 is about 1966.1337696098. The cubic root of 3865682 is about 156.9430331411.

Subtracting from 3865682 its reverse (2865683), we obtain a palindrome (999999).

The spelling of 3865682 in words is "three million, eight hundred sixty-five thousand, six hundred eighty-two".