6216648 has 32 divisors (see below), whose sum is σ = 16360800. Its totient is φ = 1963008.

The previous prime is 6216599. The next prime is 6216697. The reversal of 6216648 is 8466126.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6216599) and next prime (6216697).

It is a nude number because it is divisible by every one of its digits.

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, 6361 + ... + 7272.

It is an arithmetic number, because the mean of its divisors is an integer number (511275).

Almost surely, 2^6216648 is an apocalyptic number.

It is an amenable number.

6216648 is an abundant number, since it is smaller than the sum of its proper divisors (10144152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6216648 is a wasteful number, since it uses less digits than its factorization.

6216648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13661 (or 13657 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 6216648 is about 2493.3206773297. The cubic root of 6216648 is about 183.8733375284.

The spelling of 6216648 in words is "six million, two hundred sixteen thousand, six hundred forty-eight".