791056 has 30 divisors (see below), whose sum is σ = 1784670. Its totient is φ = 338688.

The previous prime is 791053. The next prime is 791081. The reversal of 791056 is 650197.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 614656 + 176400 = 784^2 + 420^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (791053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280 + ... + 1288.

It is an arithmetic number, because the mean of its divisors is an integer number (59489).

2⁷⁹¹⁰⁵⁶ 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 791056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892335).

791056 is an abundant number, since it is smaller than the sum of its proper divisors (993614).

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

791056 is a wasteful number, since it uses less digits than its factorization.

791056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 791056 is about 889.4132897590. The cubic root of 791056 is about 92.4845262648.

The spelling of 791056 in words is "seven hundred ninety-one thousand, fifty-six".