881536 has 32 divisors (see below), whose sum is σ = 1799280. Its totient is φ = 430080.

The previous prime is 881533. The next prime is 881537. The reversal of 881536 is 635188.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 881498 and 881507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9040 + ... + 9136.

2⁸⁸¹⁵³⁶ 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 881536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (899640).

881536 is an abundant number, since it is smaller than the sum of its proper divisors (917744).

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

881536 is an equidigital number, since it uses as much as digits as its factorization.

881536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 170 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 881536 is about 938.9014857801. The cubic root of 881536 is about 95.8841194374.

The spelling of 881536 in words is "eight hundred eighty-one thousand, five hundred thirty-six".