9887000 has 32 divisors (see below), whose sum is σ = 23137920. Its totient is φ = 3954400.

The previous prime is 9886997. The next prime is 9887021. The reversal of 9887000 is 7889.

9887000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 3944 + ... + 5943.

It is an arithmetic number, because the mean of its divisors is an integer number (723060).

Almost surely, 2^9887000 is an apocalyptic number.

It is an amenable number.

9887000 is an abundant number, since it is smaller than the sum of its proper divisors (13250920).

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

9887000 is a wasteful number, since it uses less digits than its factorization.

9887000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9908 (or 9894 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 9887000 is about 3144.3600302764. The cubic root of 9887000 is about 214.6288892711.

The spelling of 9887000 in words is "nine million, eight hundred eighty-seven thousand".