987588 has 36 divisors (see below), whose sum is σ = 2853760. Its totient is φ = 282096.

The previous prime is 987587. The next prime is 987593. The reversal of 987588 is 885789.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (987587) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1708 + ... + 2211.

2⁹⁸⁷⁵⁸⁸ is an apocalyptic number.

It is an amenable number.

987588 is an abundant number, since it is smaller than the sum of its proper divisors (1866172).

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

987588 is a wasteful number, since it uses less digits than its factorization.

987588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3936 (or 3931 counting only the distinct ones).

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

The square root of 987588 is about 993.7746223365. The cubic root of 987588 is about 99.5845430119.

The spelling of 987588 in words is "nine hundred eighty-seven thousand, five hundred eighty-eight".