99394843 has 2 divisors, whose sum is σ = 99394844. Its totient is φ = 99394842.

The previous prime is 99394837. The next prime is 99394847. The reversal of 99394843 is 34849399.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99394843 is a prime.

It is not a weakly prime, because it can be changed into another prime (99394847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49697421 + 49697422.

It is an arithmetic number, because the mean of its divisors is an integer number (49697422).

Almost surely, 2^99394843 is an apocalyptic number.

99394843 is a deficient number, since it is larger than the sum of its proper divisors (1).

99394843 is an equidigital number, since it uses as much as digits as its factorization.

99394843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 49.

The square root of 99394843 is about 9969.6962340886. The cubic root of 99394843 is about 463.2206916396.

The spelling of 99394843 in words is "ninety-nine million, three hundred ninety-four thousand, eight hundred forty-three".