9987088 has 20 divisors (see below), whose sum is σ = 19401660. Its totient is φ = 4980224.

The previous prime is 9987071. The next prime is 9987091. The reversal of 9987088 is 8807899.

It can be written as a sum of positive squares in 2 ways, for example, as 2214144 + 7772944 = 1488^2 + 2788^2 .

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8556 + ... + 9652.

It is an arithmetic number, because the mean of its divisors is an integer number (970083).

Almost surely, 2^9987088 is an apocalyptic number.

It is an amenable number.

9987088 is a deficient number, since it is larger than the sum of its proper divisors (9414572).

9987088 is a wasteful number, since it uses less digits than its factorization.

9987088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 49.

The square root of 9987088 is about 3160.2354342675. The cubic root of 9987088 is about 215.3507021958.

The spelling of 9987088 in words is "nine million, nine hundred eighty-seven thousand, eighty-eight".