9987084 has 96 divisors (see below), whose sum is σ = 28313600. Its totient is φ = 3032640.

The previous prime is 9987071. The next prime is 9987091. The reversal of 9987084 is 4807899.

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, 63534 + ... + 63690.

Almost surely, 2^9987084 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 9987084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14156800).

9987084 is an abundant number, since it is smaller than the sum of its proper divisors (18326516).

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

9987084 is a wasteful number, since it uses less digits than its factorization.

9987084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 212 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 9987084 is about 3160.2348014032. The cubic root of 9987084 is about 215.3506734453.

The spelling of 9987084 in words is "nine million, nine hundred eighty-seven thousand, eighty-four".