3606605 has 4 divisors (see below), whose sum is σ = 4327932. Its totient is φ = 2885280.

The previous prime is 3606593. The next prime is 3606613. The reversal of 3606605 is 5066063.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5066063 = 71 ⋅71353.

It can be written as a sum of positive squares in 2 ways, for example, as 498436 + 3108169 = 706^2 + 1763^2 .

It is not a de Polignac number, because 3606605 - 2⁶ = 3606541 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, 360656 + ... + 360665.

It is an arithmetic number, because the mean of its divisors is an integer number (1081983).

Almost surely, 2^3606605 is an apocalyptic number.

It is an amenable number.

3606605 is a deficient number, since it is larger than the sum of its proper divisors (721327).

3606605 is an equidigital number, since it uses as much as digits as its factorization.

3606605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721326.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 3606605 is about 1899.1063687956. The cubic root of 3606605 is about 153.3555602099.

The spelling of 3606605 in words is "three million, six hundred six thousand, six hundred five".