9976223 has 2 divisors, whose sum is σ = 9976224. Its totient is φ = 9976222.

The previous prime is 9976217. The next prime is 9976247. The reversal of 9976223 is 3226799.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9976223 - 2²⁰ = 8927647 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9976523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4988111 + 4988112.

It is an arithmetic number, because the mean of its divisors is an integer number (4988112).

Almost surely, 2^9976223 is an apocalyptic number.

9976223 is a deficient number, since it is larger than the sum of its proper divisors (1).

9976223 is an equidigital number, since it uses as much as digits as its factorization.

9976223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40824, while the sum is 38.

The square root of 9976223 is about 3158.5159489862. The cubic root of 9976223 is about 215.2725801787.

Subtracting from 9976223 its product of digits (40824), we obtain a palindrome (9935399).

The spelling of 9976223 in words is "nine million, nine hundred seventy-six thousand, two hundred twenty-three".