3660417 has 8 divisors (see below), whose sum is σ = 5422880. Its totient is φ = 2440260.

The previous prime is 3660413. The next prime is 3660443. The reversal of 3660417 is 7140663.

It is not a de Polignac number, because 3660417 - 2² = 3660413 is a prime.

It is a super-2 number, since 2×3660417² = 26797305227778, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 135571 = 3660417 / (3 + 6 + 6 + 0 + 4 + 1 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3660413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67759 + ... + 67812.

It is an arithmetic number, because the mean of its divisors is an integer number (677860).

Almost surely, 2^3660417 is an apocalyptic number.

It is an amenable number.

3660417 is a deficient number, since it is larger than the sum of its proper divisors (1762463).

3660417 is a wasteful number, since it uses less digits than its factorization.

3660417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135580 (or 135574 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 3660417 is about 1913.2216285627. The cubic root of 3660417 is about 154.1145069549.

The spelling of 3660417 in words is "three million, six hundred sixty thousand, four hundred seventeen".