3285605 has 4 divisors (see below), whose sum is σ = 3942732. Its totient is φ = 2628480.

The previous prime is 3285593. The next prime is 3285647. The reversal of 3285605 is 5065823.

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 744769 + 2540836 = 863^2 + 1594^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3285605 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328556 + ... + 328565.

It is an arithmetic number, because the mean of its divisors is an integer number (985683).

Almost surely, 2^3285605 is an apocalyptic number.

It is an amenable number.

3285605 is a deficient number, since it is larger than the sum of its proper divisors (657127).

3285605 is an equidigital number, since it uses as much as digits as its factorization.

3285605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657126.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 3285605 is about 1812.6237888762. The cubic root of 3285605 is about 148.6637614193.

The spelling of 3285605 in words is "three million, two hundred eighty-five thousand, six hundred five".