6630647 has 8 divisors (see below), whose sum is σ = 7158240. Its totient is φ = 6123040.

The previous prime is 6630641. The next prime is 6630653. The reversal of 6630647 is 7460366.

It is an interprime number because it is at equal distance from previous prime (6630641) and next prime (6630653).

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 6630647 - 2⁶ = 6630583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6630641) 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, 4304 + ... + 5637.

It is an arithmetic number, because the mean of its divisors is an integer number (894780).

Almost surely, 2^6630647 is an apocalyptic number.

6630647 is a deficient number, since it is larger than the sum of its proper divisors (527593).

6630647 is a wasteful number, since it uses less digits than its factorization.

6630647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9993.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 6630647 is about 2575.0042718411. The cubic root of 6630647 is about 187.8676354386.

The spelling of 6630647 in words is "six million, six hundred thirty thousand, six hundred forty-seven".