891268 has 24 divisors (see below), whose sum is σ = 1803200. Its totient is φ = 377568.

The previous prime is 891251. The next prime is 891277. The reversal of 891268 is 862198.

It is a nialpdrome in base 16.

It is an unprimeable number.

891268 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 in 7 ways as a sum of consecutive naturals, for example, 3778 + ... + 4006.

2⁸⁹¹²⁶⁸ is an apocalyptic number.

It is an amenable number.

891268 is an abundant number, since it is smaller than the sum of its proper divisors (911932).

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

891268 is a wasteful number, since it uses less digits than its factorization.

891268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 377 counting only the distinct ones).

The product of its digits is 6912, while the sum is 34.

The square root of 891268 is about 944.0699126654. The cubic root of 891268 is about 96.2356767352.

The spelling of 891268 in words is "eight hundred ninety-one thousand, two hundred sixty-eight".