5643880 has 64 divisors (see below), whose sum is σ = 14100480. Its totient is φ = 2016000.

The previous prime is 5643877. The next prime is 5643919. The reversal of 5643880 is 883465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44377 + ... + 44503.

It is an arithmetic number, because the mean of its divisors is an integer number (220320).

Almost surely, 2^5643880 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 5643880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7050240).

5643880 is an abundant number, since it is smaller than the sum of its proper divisors (8456600).

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

5643880 is a wasteful number, since it uses less digits than its factorization.

5643880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 5643880 is about 2375.6851643263. The cubic root of 5643880 is about 178.0434182684.

It can be divided in two parts, 564 and 3880, that added together give a palindrome (4444).

The spelling of 5643880 in words is "five million, six hundred forty-three thousand, eight hundred eighty".