9987056 has 10 divisors (see below), whose sum is σ = 19349952. Its totient is φ = 4993520.

The previous prime is 9987031. The next prime is 9987071. The reversal of 9987056 is 6507899.

It is a junction number, because it is equal to n+sod(n) for n = 9986998 and 9987016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312080 + ... + 312111.

Almost surely, 2^9987056 is an apocalyptic number.

It is an amenable number.

9987056 is a deficient number, since it is larger than the sum of its proper divisors (9362896).

9987056 is a wasteful number, since it uses less digits than its factorization.

9987056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624199 (or 624193 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 9987056 is about 3160.2303713495. The cubic root of 9987056 is about 215.3504721912.

The spelling of 9987056 in words is "nine million, nine hundred eighty-seven thousand, fifty-six".