8746947 has 20 divisors (see below), whose sum is σ = 14255736. Its totient is φ = 5300640.

The previous prime is 8746939. The next prime is 8746949. The reversal of 8746947 is 7496478.

It is not a de Polignac number, because 8746947 - 2³ = 8746939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8746949) 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 in 19 ways as a sum of consecutive naturals, for example, 4018 + ... + 5799.

Almost surely, 2^8746947 is an apocalyptic number.

8746947 is a deficient number, since it is larger than the sum of its proper divisors (5508789).

8746947 is a wasteful number, since it uses less digits than its factorization.

8746947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9840 (or 9831 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 8746947 is about 2957.5237953396. The cubic root of 8746947 is about 206.0402959472.

The spelling of 8746947 in words is "eight million, seven hundred forty-six thousand, nine hundred forty-seven".