891068 has 12 divisors (see below), whose sum is σ = 1577520. Its totient is φ = 440352.

The previous prime is 891067. The next prime is 891091. The reversal of 891068 is 860198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (891061) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 896 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (131460).

2⁸⁹¹⁰⁶⁸ is an apocalyptic number.

It is an amenable number.

891068 is a deficient number, since it is larger than the sum of its proper divisors (686452).

891068 is a wasteful number, since it uses less digits than its factorization.

891068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596 (or 2594 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 891068 is about 943.9639823637. The cubic root of 891068 is about 96.2284777875.

The spelling of 891068 in words is "eight hundred ninety-one thousand, sixty-eight".