8970839 has 2 divisors, whose sum is σ = 8970840. Its totient is φ = 8970838.

The previous prime is 8970827. The next prime is 8970877. The reversal of 8970839 is 9380798.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8970839 - 2⁸ = 8970583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8970839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8970139) 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, 4485419 + 4485420.

It is an arithmetic number, because the mean of its divisors is an integer number (4485420).

Almost surely, 2^8970839 is an apocalyptic number.

8970839 is a deficient number, since it is larger than the sum of its proper divisors (1).

8970839 is an equidigital number, since it uses as much as digits as its factorization.

8970839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 8970839 is about 2995.1358900724. The cubic root of 8970839 is about 207.7834824730.

The spelling of 8970839 in words is "eight million, nine hundred seventy thousand, eight hundred thirty-nine".