8791056 has 60 divisors (see below), whose sum is σ = 25219740. Its totient is φ = 2856960.

The previous prime is 8791051. The next prime is 8791063. The reversal of 8791056 is 6501978.

It can be written as a sum of positive squares in 2 ways, for example, as 1040400 + 7750656 = 1020^2 + 2784^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 8791056.

It is not an unprimeable number, because it can be changed into a prime (8791051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5160 + ... + 6648.

It is an arithmetic number, because the mean of its divisors is an integer number (420329).

Almost surely, 2^8791056 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 8791056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12609870).

8791056 is an abundant number, since it is smaller than the sum of its proper divisors (16428684).

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

8791056 is a wasteful number, since it uses less digits than its factorization.

8791056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1544 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 8791056 is about 2964.9715007062. The cubic root of 8791056 is about 206.3860545833.

The spelling of 8791056 in words is "eight million, seven hundred ninety-one thousand, fifty-six".