987000 has 128 divisors (see below), whose sum is σ = 3594240. Its totient is φ = 220800.

The previous prime is 986989. The next prime is 987013. The reversal of 987000 is 789.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20977 + ... + 21023.

It is an arithmetic number, because the mean of its divisors is an integer number (28080).

2⁹⁸⁷⁰⁰⁰ 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 987000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1797120).

987000 is an abundant number, since it is smaller than the sum of its proper divisors (2607240).

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

987000 is a wasteful number, since it uses less digits than its factorization.

987000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 987000 is about 993.4787365616. The cubic root of 987000 is about 99.5647752085.

Adding to 987000 its reverse (789), we get a palindrome (987789).

The spelling of 987000 in words is "nine hundred eighty-seven thousand".