8494947 has 12 divisors (see below), whose sum is σ = 12326184. Its totient is φ = 5637600.

The previous prime is 8494943. The next prime is 8494963. The reversal of 8494947 is 7494948.

8494947 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8494947 - 2² = 8494943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8494943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72 + ... + 4122.

It is an arithmetic number, because the mean of its divisors is an integer number (1027182).

Almost surely, 2^8494947 is an apocalyptic number.

8494947 is a deficient number, since it is larger than the sum of its proper divisors (3831237).

8494947 is a wasteful number, since it uses less digits than its factorization.

8494947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4290 (or 4287 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 8494947 is about 2914.6092362442. The cubic root of 8494947 is about 204.0423066812.

Subtracting from 8494947 its reverse (7494948), we obtain a palindrome (999999).

The spelling of 8494947 in words is "eight million, four hundred ninety-four thousand, nine hundred forty-seven".