6363648 has 60 divisors (see below), whose sum is σ = 18379218. Its totient is φ = 2119680.

The previous prime is 6363647. The next prime is 6363653. The reversal of 6363648 is 8463636.

6363648 is a `hidden beast` number, since 6 + 3 + 6 + 3 + 648 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5531904 + 831744 = 2352^2 + 912^2 .

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 not an unprimeable number, because it can be changed into a prime (6363647) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3918 + ... + 5298.

Almost surely, 2^6363648 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 6363648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9189609).

6363648 is an abundant number, since it is smaller than the sum of its proper divisors (12015570).

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

6363648 is a wasteful number, since it uses less digits than its factorization.

6363648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405 (or 1386 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 6363648 is about 2522.6272019464. The cubic root of 6363648 is about 185.3113626918.

The spelling of 6363648 in words is "six million, three hundred sixty-three thousand, six hundred forty-eight".