99905339 has 2 divisors, whose sum is σ = 99905340. Its totient is φ = 99905338.

The previous prime is 99905327. The next prime is 99905341. The reversal of 99905339 is 93350999.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99905339 is a prime.

It is a Sophie Germain prime.

Together with 99905341, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 99905293 and 99905302.

It is not a weakly prime, because it can be changed into another prime (99905359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49952669 + 49952670.

It is an arithmetic number, because the mean of its divisors is an integer number (49952670).

Almost surely, 2^99905339 is an apocalyptic number.

99905339 is a deficient number, since it is larger than the sum of its proper divisors (1).

99905339 is an equidigital number, since it uses as much as digits as its factorization.

99905339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 295245, while the sum is 47.

The square root of 99905339 is about 9995.2658293814. The cubic root of 99905339 is about 464.0123779769.

The spelling of 99905339 in words is "ninety-nine million, nine hundred five thousand, three hundred thirty-nine".