3665416 has 16 divisors (see below), whose sum is σ = 6901200. Its totient is φ = 1825104.

The previous prime is 3665413. The next prime is 3665419. The reversal of 3665416 is 6145663.

It is an interprime number because it is at equal distance from previous prime (3665413) and next prime (3665419).

It is not an unprimeable number, because it can be changed into a prime (3665413) 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, 1455 + ... + 3073.

It is an arithmetic number, because the mean of its divisors is an integer number (431325).

Almost surely, 2^3665416 is an apocalyptic number.

It is an amenable number.

3665416 is a deficient number, since it is larger than the sum of its proper divisors (3235784).

3665416 is a wasteful number, since it uses less digits than its factorization.

3665416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1908 (or 1904 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 3665416 is about 1914.5276179779. The cubic root of 3665416 is about 154.1846326599.

The spelling of 3665416 in words is "three million, six hundred sixty-five thousand, four hundred sixteen".