3660655 has 8 divisors (see below), whose sum is σ = 4467600. Its totient is φ = 2878656.

The previous prime is 3660653. The next prime is 3660667. The reversal of 3660655 is 5560663.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3660655 - 2¹ = 3660653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3660653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5910 + ... + 6499.

It is an arithmetic number, because the mean of its divisors is an integer number (558450).

Almost surely, 2^3660655 is an apocalyptic number.

3660655 is a deficient number, since it is larger than the sum of its proper divisors (806945).

3660655 is a wasteful number, since it uses less digits than its factorization.

3660655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12473.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 3660655 is about 1913.2838263049. The cubic root of 3660655 is about 154.1178470532.

The spelling of 3660655 in words is "three million, six hundred sixty thousand, six hundred fifty-five".