988587 has 6 divisors (see below), whose sum is σ = 1427972. Its totient is φ = 659052.

The previous prime is 988583. The next prime is 988591. The reversal of 988587 is 785889.

It is an interprime number because it is at equal distance from previous prime (988583) and next prime (988591).

It is not a de Polignac number, because 988587 - 2² = 988583 is a prime.

It is a Duffinian number.

988587 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (988583) 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, 54913 + ... + 54930.

2⁹⁸⁸⁵⁸⁷ is an apocalyptic number.

988587 is a deficient number, since it is larger than the sum of its proper divisors (439385).

988587 is a wasteful number, since it uses less digits than its factorization.

988587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109849 (or 109846 counting only the distinct ones).

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

The square root of 988587 is about 994.2771243471. The cubic root of 988587 is about 99.6181101244.

The spelling of 988587 in words is "nine hundred eighty-eight thousand, five hundred eighty-seven".