891056 has 10 divisors (see below), whose sum is σ = 1726452. Its totient is φ = 445520.

The previous prime is 891049. The next prime is 891061. The reversal of 891056 is 650198.

It is an unprimeable number.

891056 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27830 + ... + 27861.

2⁸⁹¹⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

891056 is a deficient number, since it is larger than the sum of its proper divisors (835396).

891056 is a wasteful number, since it uses less digits than its factorization.

891056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55699 (or 55693 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 891056 is about 943.9576261676. The cubic root of 891056 is about 96.2280458164.

The spelling of 891056 in words is "eight hundred ninety-one thousand, fifty-six".