99996389 has 2 divisors, whose sum is σ = 99996390. Its totient is φ = 99996388.

The previous prime is 99996353. The next prime is 99996409. The reversal of 99996389 is 98369999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76860289 + 23136100 = 8767^2 + 4810^2 .

It is a cyclic number.

It is not a de Polignac number, because 99996389 - 2⁸ = 99996133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99990389) 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, 49998194 + 49998195.

It is an arithmetic number, because the mean of its divisors is an integer number (49998195).

Almost surely, 2^99996389 is an apocalyptic number.

It is an amenable number.

99996389 is a deficient number, since it is larger than the sum of its proper divisors (1).

99996389 is an equidigital number, since it uses as much as digits as its factorization.

99996389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8503056, while the sum is 62.

The square root of 99996389 is about 9999.8194483701. The cubic root of 99996389 is about 464.1532963683.

The spelling of 99996389 in words is "ninety-nine million, nine hundred ninety-six thousand, three hundred eighty-nine".