6644352 has 128 divisors (see below), whose sum is σ = 20905920. Its totient is φ = 1858560.

The previous prime is 6644327. The next prime is 6644359. The reversal of 6644352 is 2534466.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (6644359) 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, 511098 + ... + 511110.

Almost surely, 2^6644352 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 6644352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10452960).

6644352 is an abundant number, since it is smaller than the sum of its proper divisors (14261568).

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

6644352 is a wasteful number, since it uses less digits than its factorization.

6644352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63 (or 29 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 6644352 is about 2577.6640587943. The cubic root of 6644352 is about 187.9969819947.

It can be divided in two parts, 6644 and 352, that added together give a palindrome (6996).

The spelling of 6644352 in words is "six million, six hundred forty-four thousand, three hundred fifty-two".