891882 has 12 divisors (see below), whose sum is σ = 1932450. Its totient is φ = 297288.

The previous prime is 891859. The next prime is 891887. The reversal of 891882 is 288198.

It can be written as a sum of positive squares in only one way, i.e., 622521 + 269361 = 789^2 + 519^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (891887) by changing a digit.

891882 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 5 ways as a sum of consecutive naturals, for example, 24757 + ... + 24792.

2⁸⁹¹⁸⁸² is an apocalyptic number.

891882 is an abundant number, since it is smaller than the sum of its proper divisors (1040568).

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

891882 is a wasteful number, since it uses less digits than its factorization.

891882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49557 (or 49554 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 891882 is about 944.3950444597. The cubic root of 891882 is about 96.2577707787.

The spelling of 891882 in words is "eight hundred ninety-one thousand, eight hundred eighty-two".