3665888 has 24 divisors (see below), whose sum is σ = 7290360. Its totient is φ = 1814400.

The previous prime is 3665881. The next prime is 3665899. The reversal of 3665888 is 8885663.

3665888 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665881) 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, 2963 + ... + 4013.

It is an arithmetic number, because the mean of its divisors is an integer number (303765).

Almost surely, 2^3665888 is an apocalyptic number.

It is an amenable number.

3665888 is a deficient number, since it is larger than the sum of its proper divisors (3624472).

3665888 is a wasteful number, since it uses less digits than its factorization.

3665888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170 (or 1162 counting only the distinct ones).

The product of its digits is 276480, while the sum is 44.

The square root of 3665888 is about 1914.6508820148. The cubic root of 3665888 is about 154.1912505557.

The spelling of 3665888 in words is "three million, six hundred sixty-five thousand, eight hundred eighty-eight".