9121984 has 28 divisors (see below), whose sum is σ = 18891504. Its totient is φ = 4361984.

The previous prime is 9121963. The next prime is 9121993. The reversal of 9121984 is 4891219.

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, 1627 + ... + 4570.

Almost surely, 2^9121984 is an apocalyptic number.

It is an amenable number.

9121984 is an abundant number, since it is smaller than the sum of its proper divisors (9769520).

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

9121984 is a wasteful number, since it uses less digits than its factorization.

9121984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6232 (or 6222 counting only the distinct ones).

The product of its digits is 5184, while the sum is 34.

The square root of 9121984 is about 3020.2622402699. The cubic root of 9121984 is about 208.9439346574.

The spelling of 9121984 in words is "nine million, one hundred twenty-one thousand, nine hundred eighty-four".