3660685 has 16 divisors (see below), whose sum is σ = 5144832. Its totient is φ = 2448000.

The previous prime is 3660677. The next prime is 3660707. The reversal of 3660685 is 5860663.

It is not a de Polignac number, because 3660685 - 2³ = 3660677 is a prime.

It is a super-2 number, since 2×3660685² = 26801229338450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3660685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160 + ... + 2710.

It is an arithmetic number, because the mean of its divisors is an integer number (321552).

Almost surely, 2^3660685 is an apocalyptic number.

3660685 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3660685 is a deficient number, since it is larger than the sum of its proper divisors (1484147).

3660685 is a wasteful number, since it uses less digits than its factorization.

3660685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 3660685 is about 1913.2916662130. The cubic root of 3660685 is about 154.1182680637.

The spelling of 3660685 in words is "three million, six hundred sixty thousand, six hundred eighty-five".