3660047 has 4 divisors (see below), whose sum is σ = 3667176. Its totient is φ = 3652920.

The previous prime is 3660037. The next prime is 3660053. The reversal of 3660047 is 7400663.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3660047 - 2⁸ = 3659791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3659998 and 3660025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3660017) 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, 2729 + ... + 3842.

It is an arithmetic number, because the mean of its divisors is an integer number (916794).

Almost surely, 2^3660047 is an apocalyptic number.

3660047 is a deficient number, since it is larger than the sum of its proper divisors (7129).

3660047 is an equidigital number, since it uses as much as digits as its factorization.

3660047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7128.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 3660047 is about 1913.1249305782. The cubic root of 3660047 is about 154.1093140776.

The spelling of 3660047 in words is "three million, six hundred sixty thousand, forty-seven".