9384221 has 32 divisors (see below), whose sum is σ = 12690432. Its totient is φ = 6716160.

The previous prime is 9384209. The next prime is 9384241. The reversal of 9384221 is 1224839.

9384221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9384221 - 2¹⁸ = 9122077 is a prime.

9384221 is a modest number, since divided by 4221 gives 938 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9384241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87650 + ... + 87756.

It is an arithmetic number, because the mean of its divisors is an integer number (396576).

Almost surely, 2^9384221 is an apocalyptic number.

It is an amenable number.

9384221 is a deficient number, since it is larger than the sum of its proper divisors (3306211).

9384221 is a wasteful number, since it uses less digits than its factorization.

9384221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209.

The product of its digits is 3456, while the sum is 29.

The square root of 9384221 is about 3063.3675913935. The cubic root of 9384221 is about 210.9272751624.

The spelling of 9384221 in words is "nine million, three hundred eighty-four thousand, two hundred twenty-one".