9308939 has 2 divisors, whose sum is σ = 9308940. Its totient is φ = 9308938.

The previous prime is 9308921. The next prime is 9308947. The reversal of 9308939 is 9398039.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9308939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9308896 and 9308905.

It is not a weakly prime, because it can be changed into another prime (9308909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4654469 + 4654470.

It is an arithmetic number, because the mean of its divisors is an integer number (4654470).

Almost surely, 2^9308939 is an apocalyptic number.

9308939 is a deficient number, since it is larger than the sum of its proper divisors (1).

9308939 is an equidigital number, since it uses as much as digits as its factorization.

9308939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 9308939 is about 3051.0553911720. The cubic root of 9308939 is about 210.3617272811.

The spelling of 9308939 in words is "nine million, three hundred eight thousand, nine hundred thirty-nine".