9383921 has 4 divisors (see below), whose sum is σ = 9411312. Its totient is φ = 9356532.

The previous prime is 9383887. The next prime is 9383939. The reversal of 9383921 is 1293839.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9383921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9383951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13175 + ... + 13868.

It is an arithmetic number, because the mean of its divisors is an integer number (2352828).

Almost surely, 2^9383921 is an apocalyptic number.

It is an amenable number.

9383921 is a deficient number, since it is larger than the sum of its proper divisors (27391).

9383921 is a wasteful number, since it uses less digits than its factorization.

9383921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27390.

The product of its digits is 11664, while the sum is 35.

The square root of 9383921 is about 3063.3186252821. The cubic root of 9383921 is about 210.9250274582.

The spelling of 9383921 in words is "nine million, three hundred eighty-three thousand, nine hundred twenty-one".