5644688 has 40 divisors (see below), whose sum is σ = 12648000. Its totient is φ = 2390400.

The previous prime is 5644687. The next prime is 5644693. The reversal of 5644688 is 8864465.

It is not an unprimeable number, because it can be changed into a prime (5644687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11063 + ... + 11561.

It is an arithmetic number, because the mean of its divisors is an integer number (316200).

Almost surely, 2^5644688 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 5644688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6324000).

5644688 is an abundant number, since it is smaller than the sum of its proper divisors (7003312).

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

5644688 is a wasteful number, since it uses less digits than its factorization.

5644688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615 (or 609 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 5644688 is about 2375.8552144438. The cubic root of 5644688 is about 178.0519143277.

It can be divided in two parts, 56 and 44688, that added together give a palindrome (44744).

The spelling of 5644688 in words is "five million, six hundred forty-four thousand, six hundred eighty-eight".