8257056 has 24 divisors (see below), whose sum is σ = 21675024. Its totient is φ = 2752320.

The previous prime is 8257043. The next prime is 8257057. The reversal of 8257056 is 6507528.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (8257057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42910 + ... + 43101.

It is an arithmetic number, because the mean of its divisors is an integer number (903126).

Almost surely, 2^8257056 is an apocalyptic number.

It is an amenable number.

8257056 is an abundant number, since it is smaller than the sum of its proper divisors (13417968).

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

8257056 is a wasteful number, since it uses less digits than its factorization.

8257056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86024 (or 86016 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 8257056 is about 2873.5093526905. The cubic root of 8257056 is about 202.1195906555.

The spelling of 8257056 in words is "eight million, two hundred fifty-seven thousand, fifty-six".