8936947 has 2 divisors, whose sum is σ = 8936948. Its totient is φ = 8936946.

The previous prime is 8936887. The next prime is 8936953. The reversal of 8936947 is 7496398.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8936947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8936897 and 8936906.

It is not a weakly prime, because it can be changed into another prime (8930947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4468473 + 4468474.

It is an arithmetic number, because the mean of its divisors is an integer number (4468474).

Almost surely, 2^8936947 is an apocalyptic number.

8936947 is a deficient number, since it is larger than the sum of its proper divisors (1).

8936947 is an equidigital number, since it uses as much as digits as its factorization.

8936947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 46.

The square root of 8936947 is about 2989.4726959783. The cubic root of 8936947 is about 207.5214822681.

The spelling of 8936947 in words is "eight million, nine hundred thirty-six thousand, nine hundred forty-seven".