9877984 has 24 divisors (see below), whose sum is σ = 19518408. Its totient is φ = 4920960.

The previous prime is 9877961. The next prime is 9877997. The reversal of 9877984 is 4897789.

It is a happy number.

9877984 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14614 + ... + 15274.

It is an arithmetic number, because the mean of its divisors is an integer number (813267).

Almost surely, 2^9877984 is an apocalyptic number.

It is an amenable number.

9877984 is a deficient number, since it is larger than the sum of its proper divisors (9640424).

9877984 is a wasteful number, since it uses less digits than its factorization.

9877984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 1130 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 52.

The square root of 9877984 is about 3142.9260252192. The cubic root of 9877984 is about 214.5636290785.

The spelling of 9877984 in words is "nine million, eight hundred seventy-seven thousand, nine hundred eighty-four".