3865516 has 6 divisors (see below), whose sum is σ = 6764660. Its totient is φ = 1932756.

The previous prime is 3865513. The next prime is 3865517. The reversal of 3865516 is 6155683.

It is not an unprimeable number, because it can be changed into a prime (3865513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 483186 + ... + 483193.

Almost surely, 2^3865516 is an apocalyptic number.

It is an amenable number.

3865516 is a deficient number, since it is larger than the sum of its proper divisors (2899144).

3865516 is a wasteful number, since it uses less digits than its factorization.

3865516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966383 (or 966381 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The square root of 3865516 is about 1966.0915543280. The cubic root of 3865516 is about 156.9407866279.

The spelling of 3865516 in words is "three million, eight hundred sixty-five thousand, five hundred sixteen".