6630215 has 8 divisors (see below), whose sum is σ = 8171520. Its totient is φ = 5160672.

The previous prime is 6630203. The next prime is 6630223. The reversal of 6630215 is 5120366.

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 6630215 - 2¹⁰ = 6629191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17735 + ... + 18104.

It is an arithmetic number, because the mean of its divisors is an integer number (1021440).

Almost surely, 2^6630215 is an apocalyptic number.

6630215 is a deficient number, since it is larger than the sum of its proper divisors (1541305).

6630215 is a wasteful number, since it uses less digits than its factorization.

6630215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35881.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 6630215 is about 2574.9203871188. The cubic root of 6630215 is about 187.8635553651.

The spelling of 6630215 in words is "six million, six hundred thirty thousand, two hundred fifteen".