5640888 has 64 divisors (see below), whose sum is σ = 16070400. Its totient is φ = 1633280.

The previous prime is 5640883. The next prime is 5640917. The reversal of 5640888 is 8880465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640881) 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, 5608 + ... + 6536.

It is an arithmetic number, because the mean of its divisors is an integer number (251100).

Almost surely, 2^5640888 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 5640888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8035200).

5640888 is an abundant number, since it is smaller than the sum of its proper divisors (10429512).

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

5640888 is a wasteful number, since it uses less digits than its factorization.

5640888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972 (or 968 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 5640888 is about 2375.0553677757. The cubic root of 5640888 is about 178.0119505506.

The spelling of 5640888 in words is "five million, six hundred forty thousand, eight hundred eighty-eight".