8557116 has 24 divisors (see below), whose sum is σ = 20611584. Its totient is φ = 2760240.

The previous prime is 8557093. The next prime is 8557121. The reversal of 8557116 is 6117558.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11130 + ... + 11873.

It is an arithmetic number, because the mean of its divisors is an integer number (858816).

Almost surely, 2^8557116 is an apocalyptic number.

It is an amenable number.

8557116 is an abundant number, since it is smaller than the sum of its proper divisors (12054468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8557116 is a wasteful number, since it uses less digits than its factorization.

8557116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23041 (or 23039 counting only the distinct ones).

The product of its digits is 8400, while the sum is 33.

The square root of 8557116 is about 2925.2548606916. The cubic root of 8557116 is about 204.5388483972.

The spelling of 8557116 in words is "eight million, five hundred fifty-seven thousand, one hundred sixteen".