3665285 has 32 divisors (see below), whose sum is σ = 5225472. Its totient is φ = 2442240.

The previous prime is 3665279. The next prime is 3665293. The reversal of 3665285 is 5825663.

It is not a de Polignac number, because 3665285 - 2⁸ = 3665029 is a prime.

It is a d-powerful number, because it can be written as 3¹³ + 6⁷ + 6⁸ + 5 + 2¹⁵ + 8³ + 5⁷ .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34202 + ... + 34308.

It is an arithmetic number, because the mean of its divisors is an integer number (163296).

Almost surely, 2^3665285 is an apocalyptic number.

It is an amenable number.

3665285 is a deficient number, since it is larger than the sum of its proper divisors (1560187).

3665285 is a wasteful number, since it uses less digits than its factorization.

3665285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173.

The product of its digits is 43200, while the sum is 35.

The square root of 3665285 is about 1914.4934055776. The cubic root of 3665285 is about 154.1827958127.

The spelling of 3665285 in words is "three million, six hundred sixty-five thousand, two hundred eighty-five".