3665365 has 8 divisors (see below), whose sum is σ = 4798368. Its totient is φ = 2665680.

The previous prime is 3665357. The next prime is 3665371. The reversal of 3665365 is 5635663.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3665365 - 2³ = 3665357 is a prime.

It is a Duffinian number.

3665365 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 3665365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33267 + ... + 33376.

It is an arithmetic number, because the mean of its divisors is an integer number (599796).

Almost surely, 2^3665365 is an apocalyptic number.

It is an amenable number.

3665365 is a deficient number, since it is larger than the sum of its proper divisors (1133003).

3665365 is a wasteful number, since it uses less digits than its factorization.

3665365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66659.

The product of its digits is 48600, while the sum is 34.

The square root of 3665365 is about 1914.5142987191. The cubic root of 3665365 is about 154.1839175566.

The spelling of 3665365 in words is "three million, six hundred sixty-five thousand, three hundred sixty-five".