5587440 has 80 divisors (see below), whose sum is σ = 17903616. Its totient is φ = 1440000.

The previous prime is 5587429. The next prime is 5587447. The reversal of 5587440 is 447855.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5587447) 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, 7065 + ... + 7815.

Almost surely, 2^5587440 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 5587440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8951808).

5587440 is an abundant number, since it is smaller than the sum of its proper divisors (12316176).

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

5587440 is a wasteful number, since it uses less digits than its factorization.

5587440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 5587440 is about 2363.7766391942. The cubic root of 5587440 is about 177.4479381798.

The spelling of 5587440 in words is "five million, five hundred eighty-seven thousand, four hundred forty".