5987840 has 40 divisors (see below), whose sum is σ = 14362920. Its totient is φ = 2394112.

The previous prime is 5987819. The next prime is 5987873. The reversal of 5987840 is 487895.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1391 + ... + 3729.

It is an arithmetic number, because the mean of its divisors is an integer number (359073).

Almost surely, 2^5987840 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 5987840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7181460).

5987840 is an abundant number, since it is smaller than the sum of its proper divisors (8375080).

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

5987840 is an equidigital number, since it uses as much as digits as its factorization.

5987840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362 (or 2346 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 5987840 is about 2447.0063342787. The cubic root of 5987840 is about 181.5892196697.

Subtracting from 5987840 its reverse (487895), we obtain a palindrome (5499945).

The spelling of 5987840 in words is "five million, nine hundred eighty-seven thousand, eight hundred forty".