8945939 has 2 divisors, whose sum is σ = 8945940. Its totient is φ = 8945938.

The previous prime is 8945899. The next prime is 8945947. The reversal of 8945939 is 9395498.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8945939 - 2⁸ = 8945683 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8945893 and 8945902.

It is not a weakly prime, because it can be changed into another prime (8945969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4472969 + 4472970.

It is an arithmetic number, because the mean of its divisors is an integer number (4472970).

Almost surely, 2^8945939 is an apocalyptic number.

8945939 is a deficient number, since it is larger than the sum of its proper divisors (1).

8945939 is an equidigital number, since it uses as much as digits as its factorization.

8945939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 47.

The square root of 8945939 is about 2990.9762620255. The cubic root of 8945939 is about 207.5910588873.

It can be divided in two parts, 89459 and 39, that added together give a palindrome (89498).

The spelling of 8945939 in words is "eight million, nine hundred forty-five thousand, nine hundred thirty-nine".