99992939 has 2 divisors, whose sum is σ = 99992940. Its totient is φ = 99992938.

The previous prime is 99992917. The next prime is 99992941. The reversal of 99992939 is 93929999.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99992939 is a prime.

Together with 99992941, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99992239) 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, 49996469 + 49996470.

It is an arithmetic number, because the mean of its divisors is an integer number (49996470).

Almost surely, 2^99992939 is an apocalyptic number.

99992939 is a deficient number, since it is larger than the sum of its proper divisors (1).

99992939 is an equidigital number, since it uses as much as digits as its factorization.

99992939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3188646, while the sum is 59.

The square root of 99992939 is about 9999.6469437676. The cubic root of 99992939 is about 464.1479583512.

The spelling of 99992939 in words is "ninety-nine million, nine hundred ninety-two thousand, nine hundred thirty-nine".