6363644 has 48 divisors (see below), whose sum is σ = 13970880. Its totient is φ = 2472960.

The previous prime is 6363619. The next prime is 6363647. The reversal of 6363644 is 4463636.

It is a self number, because there is not a number n which added to its sum of digits gives 6363644.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 13574 + ... + 14034.

It is an arithmetic number, because the mean of its divisors is an integer number (291060).

Almost surely, 2^6363644 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 6363644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6985440).

6363644 is an abundant number, since it is smaller than the sum of its proper divisors (7607236).

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

6363644 is a wasteful number, since it uses less digits than its factorization.

6363644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 516 counting only the distinct ones).

The product of its digits is 31104, while the sum is 32.

The square root of 6363644 is about 2522.6264091220. The cubic root of 6363644 is about 185.3113238647.

It can be divided in two parts, 6363 and 644, that added together give a palindrome (7007).

The spelling of 6363644 in words is "six million, three hundred sixty-three thousand, six hundred forty-four".