99983333 has 2 divisors, whose sum is σ = 99983334. Its totient is φ = 99983332.

The previous prime is 99983327. The next prime is 99983353. The reversal of 99983333 is 33338999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92486689 + 7496644 = 9617^2 + 2738^2 .

It is a cyclic number.

It is not a de Polignac number, because 99983333 - 2⁸ = 99983077 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99983353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49991666 + 49991667.

It is an arithmetic number, because the mean of its divisors is an integer number (49991667).

Almost surely, 2^99983333 is an apocalyptic number.

It is an amenable number.

99983333 is a deficient number, since it is larger than the sum of its proper divisors (1).

99983333 is an equidigital number, since it uses as much as digits as its factorization.

99983333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 472392, while the sum is 47.

The square root of 99983333 is about 9999.1666152735. The cubic root of 99983333 is about 464.1330948081.

It can be divided in two parts, 9998 and 3333, that added together give a palindrome (13331).

The spelling of 99983333 in words is "ninety-nine million, nine hundred eighty-three thousand, three hundred thirty-three".