881584 has 20 divisors (see below), whose sum is σ = 1863720. Its totient is φ = 400640.

The previous prime is 881539. The next prime is 881591. The reversal of 881584 is 485188.

It is an unprimeable number.

881584 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2329 + ... + 2680.

It is an arithmetic number, because the mean of its divisors is an integer number (93186).

2⁸⁸¹⁵⁸⁴ is an apocalyptic number.

It is an amenable number.

881584 is an abundant number, since it is smaller than the sum of its proper divisors (982136).

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

881584 is a wasteful number, since it uses less digits than its factorization.

881584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5028 (or 5022 counting only the distinct ones).

The product of its digits is 10240, while the sum is 34.

The square root of 881584 is about 938.9270472193. The cubic root of 881584 is about 95.8858597158.

The spelling of 881584 in words is "eight hundred eighty-one thousand, five hundred eighty-four".