881140 has 24 divisors (see below), whose sum is σ = 1993320. Its totient is φ = 325248.

The previous prime is 881119. The next prime is 881141. The reversal of 881140 is 41188.

It can be written as a sum of positive squares in 4 ways, for example, as 155236 + 725904 = 394^2 + 852^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881141) by changing a digit.

881140 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1435 + ... + 1954.

It is an arithmetic number, because the mean of its divisors is an integer number (83055).

2⁸⁸¹¹⁴⁰ is an apocalyptic number.

It is an amenable number.

881140 is an abundant number, since it is smaller than the sum of its proper divisors (1112180).

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

881140 is a wasteful number, since it uses less digits than its factorization.

881140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3411 (or 3409 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 881140 is about 938.6905773470. The cubic root of 881140 is about 95.8697597295.

The spelling of 881140 in words is "eight hundred eighty-one thousand, one hundred forty".