8542857 has 16 divisors (see below), whose sum is σ = 12137472. Its totient is φ = 5326080.

The previous prime is 8542847. The next prime is 8542873. The reversal of 8542857 is 7582458.

It is not a de Polignac number, because 8542857 - 2⁸ = 8542601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8542817) 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, 9303 + ... + 10179.

It is an arithmetic number, because the mean of its divisors is an integer number (758592).

Almost surely, 2^8542857 is an apocalyptic number.

It is an amenable number.

8542857 is a deficient number, since it is larger than the sum of its proper divisors (3594615).

8542857 is a wasteful number, since it uses less digits than its factorization.

8542857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088.

The product of its digits is 89600, while the sum is 39.

The square root of 8542857 is about 2922.8166210011. The cubic root of 8542857 is about 204.4251753285.

The spelling of 8542857 in words is "eight million, five hundred forty-two thousand, eight hundred fifty-seven".