8947039 has 2 divisors, whose sum is σ = 8947040. Its totient is φ = 8947038.

The previous prime is 8947031. The next prime is 8947063. The reversal of 8947039 is 9307498.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8947039 - 2³ = 8947031 is a prime.

It is an Ulam number.

8947039 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8946992 and 8947010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8947031) 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, 4473519 + 4473520.

It is an arithmetic number, because the mean of its divisors is an integer number (4473520).

Almost surely, 2^8947039 is an apocalyptic number.

8947039 is a deficient number, since it is larger than the sum of its proper divisors (1).

8947039 is an equidigital number, since it uses as much as digits as its factorization.

8947039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 8947039 is about 2991.1601428208. The cubic root of 8947039 is about 207.5995670609.

The spelling of 8947039 in words is "eight million, nine hundred forty-seven thousand, thirty-nine".