587988 has 18 divisors (see below), whose sum is σ = 1486394. Its totient is φ = 195984.

The previous prime is 587987. The next prime is 587989. The reversal of 587988 is 889785.

587988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (587987) and next prime (587989).

It can be written as a sum of positive squares in only one way, i.e., 374544 + 213444 = 612^2 + 462^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (587987) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8131 + ... + 8202.

2⁵⁸⁷⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

587988 is an abundant number, since it is smaller than the sum of its proper divisors (898406).

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

587988 is a wasteful number, since it uses less digits than its factorization.

587988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16343 (or 16338 counting only the distinct ones).

The product of its digits is 161280, while the sum is 45.

The square root of 587988 is about 766.8037558593. The cubic root of 587988 is about 83.7766173657.

The spelling of 587988 in words is "five hundred eighty-seven thousand, nine hundred eighty-eight".