99303439 has 2 divisors, whose sum is σ = 99303440. Its totient is φ = 99303438.

The previous prime is 99303437. The next prime is 99303473. The reversal of 99303439 is 93430399.

It is a weak prime.

It is an emirp because it is prime and its reverse (93430399) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99303439 - 2¹ = 99303437 is a prime.

It is a super-2 number, since 2×99303439² = 19722345994453442, which contains 22 as substring.

Together with 99303437, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99303437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49651719 + 49651720.

It is an arithmetic number, because the mean of its divisors is an integer number (49651720).

Almost surely, 2^99303439 is an apocalyptic number.

99303439 is a deficient number, since it is larger than the sum of its proper divisors (1).

99303439 is an equidigital number, since it uses as much as digits as its factorization.

99303439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 78732, while the sum is 40.

The square root of 99303439 is about 9965.1110881916. Note that the first 3 decimals coincide. The cubic root of 99303439 is about 463.0786547283.

The spelling of 99303439 in words is "ninety-nine million, three hundred three thousand, four hundred thirty-nine".