8938739 has 2 divisors, whose sum is σ = 8938740. Its totient is φ = 8938738.

The previous prime is 8938729. The next prime is 8938799. The reversal of 8938739 is 9378398.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8938739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8938693 and 8938702.

It is not a weakly prime, because it can be changed into another prime (8938729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4469369 + 4469370.

It is an arithmetic number, because the mean of its divisors is an integer number (4469370).

Almost surely, 2^8938739 is an apocalyptic number.

8938739 is a deficient number, since it is larger than the sum of its proper divisors (1).

8938739 is an equidigital number, since it uses as much as digits as its factorization.

8938739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 47.

The square root of 8938739 is about 2989.7723993642. The cubic root of 8938739 is about 207.5353517936.

The spelling of 8938739 in words is "eight million, nine hundred thirty-eight thousand, seven hundred thirty-nine".