99446213 has 2 divisors, whose sum is σ = 99446214. Its totient is φ = 99446212.

The previous prime is 99446177. The next prime is 99446239. The reversal of 99446213 is 31264499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 98743969 + 702244 = 9937^2 + 838^2 .

It is a cyclic number.

It is not a de Polignac number, because 99446213 - 2¹⁴ = 99429829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99440213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49723106 + 49723107.

It is an arithmetic number, because the mean of its divisors is an integer number (49723107).

Almost surely, 2^99446213 is an apocalyptic number.

It is an amenable number.

99446213 is a deficient number, since it is larger than the sum of its proper divisors (1).

99446213 is an equidigital number, since it uses as much as digits as its factorization.

99446213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 38.

The square root of 99446213 is about 9972.2722084789. The cubic root of 99446213 is about 463.3004796446.

The spelling of 99446213 in words is "ninety-nine million, four hundred forty-six thousand, two hundred thirteen".