8485947 has 6 divisors (see below), whose sum is σ = 12257492. Its totient is φ = 5657292.

The previous prime is 8485931. The next prime is 8485949. The reversal of 8485947 is 7495848.

8485947 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8485947 - 2⁴ = 8485931 is a prime.

It is a super-4 number, since 4×8485947⁴ (a number of 29 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8485949) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 471433 + ... + 471450.

Almost surely, 2^8485947 is an apocalyptic number.

8485947 is a deficient number, since it is larger than the sum of its proper divisors (3771545).

8485947 is a wasteful number, since it uses less digits than its factorization.

8485947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942889 (or 942886 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 8485947 is about 2913.0648808429. The cubic root of 8485947 is about 203.9702234509.

Subtracting from 8485947 its reverse (7495848), we obtain a palindrome (990099).

The spelling of 8485947 in words is "eight million, four hundred eighty-five thousand, nine hundred forty-seven".