6216623 has 8 divisors (see below), whose sum is σ = 7125792. Its totient is φ = 5312736.

The previous prime is 6216599. The next prime is 6216697. The reversal of 6216623 is 3266126.

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 6216623 - 2⁸ = 6216367 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6216592 and 6216601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6216823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1661 + ... + 3897.

It is an arithmetic number, because the mean of its divisors is an integer number (890724).

Almost surely, 2^6216623 is an apocalyptic number.

6216623 is a deficient number, since it is larger than the sum of its proper divisors (909169).

6216623 is a wasteful number, since it uses less digits than its factorization.

6216623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641.

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

The square root of 6216623 is about 2493.3156639303. The cubic root of 6216623 is about 183.8730910483.

The spelling of 6216623 in words is "six million, two hundred sixteen thousand, six hundred twenty-three".