8394223 has 2 divisors, whose sum is σ = 8394224. Its totient is φ = 8394222.

The previous prime is 8394187. The next prime is 8394251. The reversal of 8394223 is 3224938.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8394223 - 2⁹ = 8393711 is a prime.

It is a d-powerful number, because it can be written as 8³ + 3⁵ + 9 + 4⁶ + 2⁹ + 2²³ + 3⁵ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8394263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4197111 + 4197112.

It is an arithmetic number, because the mean of its divisors is an integer number (4197112).

Almost surely, 2^8394223 is an apocalyptic number.

8394223 is a deficient number, since it is larger than the sum of its proper divisors (1).

8394223 is an equidigital number, since it uses as much as digits as its factorization.

8394223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 8394223 is about 2897.2785506402. The cubic root of 8394223 is about 203.2326597095.

The spelling of 8394223 in words is "eight million, three hundred ninety-four thousand, two hundred twenty-three".