881000 has 32 divisors (see below), whose sum is σ = 2063880. Its totient is φ = 352000.

The previous prime is 880993. The next prime is 881003. The reversal of 881000 is 188.

It is a happy number.

881000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 131044 + 749956 = 362^2 + 866^2 .

It is a super-2 number, since 2×881000² = 1552322000000, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 881000.

It is not an unprimeable number, because it can be changed into a prime (881003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560 + ... + 1440.

2⁸⁸¹⁰⁰⁰ 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 881000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1031940).

881000 is an abundant number, since it is smaller than the sum of its proper divisors (1182880).

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

881000 is a wasteful number, since it uses less digits than its factorization.

881000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 881000 is about 938.6160024206. The cubic root of 881000 is about 95.8646820357.

Adding to 881000 its reverse (188), we get a palindrome (881188).

The spelling of 881000 in words is "eight hundred eighty-one thousand".