881216 has 42 divisors (see below), whose sum is σ = 2041398. Its totient is φ = 376320.

The previous prime is 881207. The next prime is 881219. The reversal of 881216 is 612188.

It can be written as a sum of positive squares in only one way, i.e., 802816 + 78400 = 896^2 + 280^2 .

It is not an unprimeable number, because it can be changed into a prime (881219) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2996 + ... + 3276.

2⁸⁸¹²¹⁶ 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 881216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1020699).

881216 is an abundant number, since it is smaller than the sum of its proper divisors (1160182).

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

881216 is a wasteful number, since it uses less digits than its factorization.

881216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 290 counting only the distinct ones).

The product of its digits is 768, while the sum is 26.

The square root of 881216 is about 938.7310583975. The cubic root of 881216 is about 95.8725159666.

The spelling of 881216 in words is "eight hundred eighty-one thousand, two hundred sixteen".