6623216 has 10 divisors (see below), whose sum is σ = 12832512. Its totient is φ = 3311600.

The previous prime is 6623213. The next prime is 6623231. The reversal of 6623216 is 6123266.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6623213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206960 + ... + 206991.

Almost surely, 2^6623216 is an apocalyptic number.

It is an amenable number.

6623216 is a deficient number, since it is larger than the sum of its proper divisors (6209296).

6623216 is a wasteful number, since it uses less digits than its factorization.

6623216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413959 (or 413953 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

The square root of 6623216 is about 2573.5609571176. The cubic root of 6623216 is about 187.7974277981.

The spelling of 6623216 in words is "six million, six hundred twenty-three thousand, two hundred sixteen".