3660347 has 2 divisors, whose sum is σ = 3660348. Its totient is φ = 3660346.

The previous prime is 3660343. The next prime is 3660353. The reversal of 3660347 is 7430663.

It is a weak prime.

It is an emirp because it is prime and its reverse (7430663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3660347 - 2² = 3660343 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (3660343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830173 + 1830174.

It is an arithmetic number, because the mean of its divisors is an integer number (1830174).

Almost surely, 2^3660347 is an apocalyptic number.

3660347 is a deficient number, since it is larger than the sum of its proper divisors (1).

3660347 is an equidigital number, since it uses as much as digits as its factorization.

3660347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 3660347 is about 1913.2033347243. The cubic root of 3660347 is about 154.1135245455.

The spelling of 3660347 in words is "three million, six hundred sixty thousand, three hundred forty-seven".