99884413 has 2 divisors, whose sum is σ = 99884414. Its totient is φ = 99884412.

The previous prime is 99884363. The next prime is 99884417. The reversal of 99884413 is 31448899.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86620249 + 13264164 = 9307^2 + 3642^2 .

It is an emirp because it is prime and its reverse (31448899) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99884413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99884417) 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, 49942206 + 49942207.

It is an arithmetic number, because the mean of its divisors is an integer number (49942207).

Almost surely, 2^99884413 is an apocalyptic number.

It is an amenable number.

99884413 is a deficient number, since it is larger than the sum of its proper divisors (1).

99884413 is an equidigital number, since it uses as much as digits as its factorization.

99884413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 46.

The square root of 99884413 is about 9994.2189789898. The cubic root of 99884413 is about 463.9799786372.

It can be divided in two parts, 9988 and 4413, that multiplied together give a palindrome (44077044).

The spelling of 99884413 in words is "ninety-nine million, eight hundred eighty-four thousand, four hundred thirteen".