881442 has 20 divisors (see below), whose sum is σ = 1975446. Its totient is φ = 293760.

The previous prime is 881437. The next prime is 881449. The reversal of 881442 is 244188.

881442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 670761 + 210681 = 819^2 + 459^2 .

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

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (881449) by changing a digit.

881442 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 9 ways as a sum of consecutive naturals, for example, 2559 + ... + 2882.

2⁸⁸¹⁴⁴² is an apocalyptic number.

881442 is an abundant number, since it is smaller than the sum of its proper divisors (1094004).

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

881442 is a wasteful number, since it uses less digits than its factorization.

881442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5455 (or 5446 counting only the distinct ones).

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

The square root of 881442 is about 938.8514259456. The cubic root of 881442 is about 95.8807112091.

The spelling of 881442 in words is "eight hundred eighty-one thousand, four hundred forty-two".