3660605 has 16 divisors (see below), whose sum is σ = 4771200. Its totient is φ = 2680128.

The previous prime is 3660581. The next prime is 3660607. The reversal of 3660605 is 5060663.

It is a cyclic number.

It is not a de Polignac number, because 3660605 - 2⁶ = 3660541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3660607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12794 + ... + 13076.

It is an arithmetic number, because the mean of its divisors is an integer number (298200).

Almost surely, 2^3660605 is an apocalyptic number.

It is an amenable number.

3660605 is a deficient number, since it is larger than the sum of its proper divisors (1110595).

3660605 is a wasteful number, since it uses less digits than its factorization.

3660605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500.

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

The square root of 3660605 is about 1913.2707597201. The cubic root of 3660605 is about 154.1171453639.

The spelling of 3660605 in words is "three million, six hundred sixty thousand, six hundred five".