891488 has 24 divisors (see below), whose sum is σ = 1891008. Its totient is φ = 411264.

The previous prime is 891487. The next prime is 891491. The reversal of 891488 is 884198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (891481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656 + ... + 1487.

It is an arithmetic number, because the mean of its divisors is an integer number (78792).

2⁸⁹¹⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

891488 is an abundant number, since it is smaller than the sum of its proper divisors (999520).

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

891488 is a wasteful number, since it uses less digits than its factorization.

891488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166 (or 2158 counting only the distinct ones).

The product of its digits is 18432, while the sum is 38.

The square root of 891488 is about 944.1864222705. The cubic root of 891488 is about 96.2435943339.

The spelling of 891488 in words is "eight hundred ninety-one thousand, four hundred eighty-eight".