3660447347 has 4 divisors (see below), whose sum is σ = 3679028496. Its totient is φ = 3641866200.

The previous prime is 3660447331. The next prime is 3660447391. The reversal of 3660447347 is 7437440663.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7437440663 = 70459 ⋅105557.

It is a cyclic number.

It is not a de Polignac number, because 3660447347 - 2⁴ = 3660447331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3660447298 and 3660447307.

It is not an unprimeable number, because it can be changed into a prime (3660447547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9290279 + ... + 9290672.

It is an arithmetic number, because the mean of its divisors is an integer number (919757124).

Almost surely, 2^3660447347 is an apocalyptic number.

3660447347 is a deficient number, since it is larger than the sum of its proper divisors (18581149).

3660447347 is a wasteful number, since it uses less digits than its factorization.

3660447347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18581148.

The product of its (nonzero) digits is 1016064, while the sum is 44.

The square root of 3660447347 is about 60501.6309449588. The cubic root of 3660447347 is about 1541.1493285355.

The spelling of 3660447347 in words is "three billion, six hundred sixty million, four hundred forty-seven thousand, three hundred forty-seven".