987508 has 12 divisors (see below), whose sum is σ = 1787940. Its totient is φ = 476672.

The previous prime is 987491. The next prime is 987509. The reversal of 987508 is 805789.

987508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 795664 + 191844 = 892^2 + 438^2 .

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (987509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4141 + ... + 4372.

It is an arithmetic number, because the mean of its divisors is an integer number (148995).

2⁹⁸⁷⁵⁰⁸ is an apocalyptic number.

It is an amenable number.

987508 is a deficient number, since it is larger than the sum of its proper divisors (800432).

987508 is a wasteful number, since it uses less digits than its factorization.

987508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8546 (or 8544 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 987508 is about 993.7343709463. The cubic root of 987508 is about 99.5818539761.

The spelling of 987508 in words is "nine hundred eighty-seven thousand, five hundred eight".