6318648 has 120 divisors (see below), whose sum is σ = 20691000. Its totient is φ = 1796256.

The previous prime is 6318623. The next prime is 6318667. The reversal of 6318648 is 8468136.

It is a happy number.

6318648 is a `hidden beast` number, since 6 + 3 + 1 + 8 + 648 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 31653 + ... + 31851.

It is an arithmetic number, because the mean of its divisors is an integer number (172425).

Almost surely, 2^6318648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6318648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10345500).

6318648 is an abundant number, since it is smaller than the sum of its proper divisors (14372352).

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

6318648 is a wasteful number, since it uses less digits than its factorization.

6318648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 211 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 6318648 is about 2513.6921052508. The cubic root of 6318648 is about 184.8735244627.

The spelling of 6318648 in words is "six million, three hundred eighteen thousand, six hundred forty-eight".