8485857 has 16 divisors (see below), whose sum is σ = 12617280. Its totient is φ = 5636736.

The previous prime is 8485843. The next prime is 8485859. The reversal of 8485857 is 7585848.

8485857 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 8485857 - 2¹⁴ = 8469473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8485859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12273 + ... + 12945.

It is an arithmetic number, because the mean of its divisors is an integer number (788580).

Almost surely, 2^8485857 is an apocalyptic number.

It is an amenable number.

8485857 is a deficient number, since it is larger than the sum of its proper divisors (4131423).

8485857 is a wasteful number, since it uses less digits than its factorization.

8485857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149 (or 1143 counting only the distinct ones).

The product of its digits is 358400, while the sum is 45.

The square root of 8485857 is about 2913.0494331542. The cubic root of 8485857 is about 203.9695023613.

Subtracting from 8485857 its reverse (7585848), we obtain a palindrome (900009).

The spelling of 8485857 in words is "eight million, four hundred eighty-five thousand, eight hundred fifty-seven".