9784213 has 2 divisors, whose sum is σ = 9784214. Its totient is φ = 9784212.

The previous prime is 9784153. The next prime is 9784249. The reversal of 9784213 is 3124879.

9784213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9778129 + 6084 = 3127^2 + 78^2 .

It is a cyclic number.

It is not a de Polignac number, because 9784213 - 2¹⁷ = 9653141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9784253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4892106 + 4892107.

It is an arithmetic number, because the mean of its divisors is an integer number (4892107).

Almost surely, 2^9784213 is an apocalyptic number.

It is an amenable number.

9784213 is a deficient number, since it is larger than the sum of its proper divisors (1).

9784213 is an equidigital number, since it uses as much as digits as its factorization.

9784213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 9784213 is about 3127.9726661210. The cubic root of 9784213 is about 213.8825235214.

The spelling of 9784213 in words is "nine million, seven hundred eighty-four thousand, two hundred thirteen".