881550 has 48 divisors (see below), whose sum is σ = 2432880. Its totient is φ = 234720.

The previous prime is 881539. The next prime is 881591. The reversal of 881550 is 55188.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

881550 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 23 ways as a sum of consecutive naturals, for example, 1024 + ... + 1676.

It is an arithmetic number, because the mean of its divisors is an integer number (50685).

2⁸⁸¹⁵⁵⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 881550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1216440).

881550 is an abundant number, since it is smaller than the sum of its proper divisors (1551330).

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

881550 is a wasteful number, since it uses less digits than its factorization.

881550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

The square root of 881550 is about 938.9089412717. The cubic root of 881550 is about 95.8846270251.

It can be divided in two parts, 881 and 550, that added together give a triangular number (1431 = T₅₃).

The spelling of 881550 in words is "eight hundred eighty-one thousand, five hundred fifty".