987500 has 36 divisors (see below), whose sum is σ = 2187360. Its totient is φ = 390000.

The previous prime is 987491. The next prime is 987509. The reversal of 987500 is 5789.

It is a happy number.

987500 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 (987491) and next prime (987509).

It is a nialpdrome in base 10.

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 11 ways as a sum of consecutive naturals, for example, 12461 + ... + 12539.

It is an arithmetic number, because the mean of its divisors is an integer number (60760).

2⁹⁸⁷⁵⁰⁰ 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 987500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1093680).

987500 is an abundant number, since it is smaller than the sum of its proper divisors (1199860).

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

987500 is an equidigital number, since it uses as much as digits as its factorization.

987500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 987500 is about 993.7303457176. The cubic root of 987500 is about 99.5815850645.

The spelling of 987500 in words is "nine hundred eighty-seven thousand, five hundred".