881220 has 48 divisors (see below), whose sum is σ = 2600640. Its totient is φ = 222336.

The previous prime is 881219. The next prime is 881233. The reversal of 881220 is 22188.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 881220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 754 + ... + 1526.

It is an arithmetic number, because the mean of its divisors is an integer number (54180).

2⁸⁸¹²²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 881220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1300320).

881220 is an abundant number, since it is smaller than the sum of its proper divisors (1719420).

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

881220 is a wasteful number, since it uses less digits than its factorization.

881220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 881220 is about 938.7331889307. The cubic root of 881220 is about 95.8726610273.

The spelling of 881220 in words is "eight hundred eighty-one thousand, two hundred twenty".