891255 has 8 divisors (see below), whose sum is σ = 1426032. Its totient is φ = 475328.

The previous prime is 891251. The next prime is 891277. The reversal of 891255 is 552198.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 891255 - 2² = 891251 is a prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 891255.

It is not an unprimeable number, because it can be changed into a prime (891251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29694 + ... + 29723.

It is an arithmetic number, because the mean of its divisors is an integer number (178254).

2⁸⁹¹²⁵⁵ is an apocalyptic number.

891255 is a deficient number, since it is larger than the sum of its proper divisors (534777).

891255 is a wasteful number, since it uses less digits than its factorization.

891255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59425.

The product of its digits is 3600, while the sum is 30.

The square root of 891255 is about 944.0630275570. The cubic root of 891255 is about 96.2352088363.

The spelling of 891255 in words is "eight hundred ninety-one thousand, two hundred fifty-five".