881742 has 16 divisors (see below), whose sum is σ = 1774080. Its totient is φ = 292152.

The previous prime is 881729. The next prime is 881743. The reversal of 881742 is 247188.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881743) by changing a digit.

881742 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 7 ways as a sum of consecutive naturals, for example, 1009 + ... + 1667.

It is an arithmetic number, because the mean of its divisors is an integer number (110880).

2⁸⁸¹⁷⁴² is an apocalyptic number.

881742 is an abundant number, since it is smaller than the sum of its proper divisors (892338).

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

881742 is a wasteful number, since it uses less digits than its factorization.

881742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887.

The product of its digits is 3584, while the sum is 30.

The square root of 881742 is about 939.0111820420. The cubic root of 881742 is about 95.8915876861.

It can be divided in two parts, 88 and 1742, that added together give a triangular number (1830 = T₆₀).

The spelling of 881742 in words is "eight hundred eighty-one thousand, seven hundred forty-two".