8170056 has 48 divisors (see below), whose sum is σ = 22555260. Its totient is φ = 2670720.

The previous prime is 8170039. The next prime is 8170093. The reversal of 8170056 is 6500718.

It can be written as a sum of positive squares in 2 ways, for example, as 6937956 + 1232100 = 2634^2 + 1110^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2746 + ... + 4886.

Almost surely, 2^8170056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8170056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11277630).

8170056 is an abundant number, since it is smaller than the sum of its proper divisors (14385204).

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

8170056 is a wasteful number, since it uses less digits than its factorization.

8170056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206 (or 2199 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 8170056 is about 2858.3309815345. The cubic root of 8170056 is about 201.4072089268.

The spelling of 8170056 in words is "eight million, one hundred seventy thousand, fifty-six".