5659840 has 56 divisors (see below), whose sum is σ = 14081760. Its totient is φ = 2162688.

The previous prime is 5659837. The next prime is 5659847. The reversal of 5659840 is 489565.

It is a self number, because there is not a number n which added to its sum of digits gives 5659840.

It is not an unprimeable number, because it can be changed into a prime (5659847) 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, 6976 + ... + 7744.

It is an arithmetic number, because the mean of its divisors is an integer number (251460).

Almost surely, 2^5659840 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 5659840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7040880).

5659840 is an abundant number, since it is smaller than the sum of its proper divisors (8421920).

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

5659840 is a wasteful number, since it uses less digits than its factorization.

5659840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809 (or 799 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 5659840 is about 2379.0418239283. The cubic root of 5659840 is about 178.2110865303.

The spelling of 5659840 in words is "five million, six hundred fifty-nine thousand, eight hundred forty".