987140 has 48 divisors (see below), whose sum is σ = 2588544. Its totient is φ = 307200.

The previous prime is 987127. The next prime is 987143. The reversal of 987140 is 41789.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 987140.

It is not an unprimeable number, because it can be changed into a prime (987143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1220 + ... + 1860.

It is an arithmetic number, because the mean of its divisors is an integer number (53928).

2⁹⁸⁷¹⁴⁰ 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 987140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1294272).

987140 is an abundant number, since it is smaller than the sum of its proper divisors (1601404).

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

987140 is a wasteful number, since it uses less digits than its factorization.

987140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 987140 is about 993.5491935481. The cubic root of 987140 is about 99.5694825403.

The spelling of 987140 in words is "nine hundred eighty-seven thousand, one hundred forty".