3648065 has 4 divisors (see below), whose sum is σ = 4377684. Its totient is φ = 2918448.

The previous prime is 3648041. The next prime is 3648067. The reversal of 3648065 is 5608463.

3648065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1860496 + 1787569 = 1364^2 + 1337^2 .

It is a cyclic number.

It is not a de Polignac number, because 3648065 - 2²⁰ = 2599489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3648067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364802 + ... + 364811.

It is an arithmetic number, because the mean of its divisors is an integer number (1094421).

Almost surely, 2^3648065 is an apocalyptic number.

It is an amenable number.

3648065 is a deficient number, since it is larger than the sum of its proper divisors (729619).

3648065 is an equidigital number, since it uses as much as digits as its factorization.

3648065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729618.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 3648065 is about 1909.9908376744. The cubic root of 3648065 is about 153.9409595460.

The spelling of 3648065 in words is "three million, six hundred forty-eight thousand, sixty-five".