9884921 has 8 divisors (see below), whose sum is σ = 10456320. Its totient is φ = 9318672.

The previous prime is 9884909. The next prime is 9884923. The reversal of 9884921 is 1294889.

9884921 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9884921 - 2²² = 5690617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9884923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3071 + ... + 5403.

It is an arithmetic number, because the mean of its divisors is an integer number (1307040).

Almost surely, 2^9884921 is an apocalyptic number.

It is an amenable number.

9884921 is a deficient number, since it is larger than the sum of its proper divisors (571399).

9884921 is a wasteful number, since it uses less digits than its factorization.

9884921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575.

The product of its digits is 41472, while the sum is 41.

The square root of 9884921 is about 3144.0294209819. The cubic root of 9884921 is about 214.6138444398.

The spelling of 9884921 in words is "nine million, eight hundred eighty-four thousand, nine hundred twenty-one".