881244 has 72 divisors (see below), whose sum is σ = 2751840. Its totient is φ = 231552.

The previous prime is 881233. The next prime is 881249. The reversal of 881244 is 442188.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881249) by changing a digit.

881244 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 23 ways as a sum of consecutive naturals, for example, 3142 + ... + 3410.

It is an arithmetic number, because the mean of its divisors is an integer number (38220).

2⁸⁸¹²⁴⁴ is an apocalyptic number.

881244 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 881244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1375920).

881244 is an abundant number, since it is smaller than the sum of its proper divisors (1870596).

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

881244 is a wasteful number, since it uses less digits than its factorization.

881244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 294 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 881244 is about 938.7459720286. The cubic root of 881244 is about 95.8735313824.

The spelling of 881244 in words is "eight hundred eighty-one thousand, two hundred forty-four".