891283 has 4 divisors (see below), whose sum is σ = 893368. Its totient is φ = 889200.

The previous prime is 891277. The next prime is 891287. The reversal of 891283 is 382198.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 382198 = 2 ⋅191099.

It is a cyclic number.

It is not a de Polignac number, because 891283 - 2⁵ = 891251 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (891287) 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, 141 + ... + 1342.

It is an arithmetic number, because the mean of its divisors is an integer number (223342).

2⁸⁹¹²⁸³ is an apocalyptic number.

891283 is a deficient number, since it is larger than the sum of its proper divisors (2085).

891283 is a wasteful number, since it uses less digits than its factorization.

891283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084.

The product of its digits is 3456, while the sum is 31.

The square root of 891283 is about 944.0778569588. The cubic root of 891283 is about 96.2362166129.

The spelling of 891283 in words is "eight hundred ninety-one thousand, two hundred eighty-three".