881684 has 6 divisors (see below), whose sum is σ = 1542954. Its totient is φ = 440840.

The previous prime is 881681. The next prime is 881707. The reversal of 881684 is 486188.

It can be written as a sum of positive squares in only one way, i.e., 547600 + 334084 = 740^2 + 578^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110207 + ... + 110214.

It is an arithmetic number, because the mean of its divisors is an integer number (257159).

2⁸⁸¹⁶⁸⁴ is an apocalyptic number.

It is an amenable number.

881684 is a deficient number, since it is larger than the sum of its proper divisors (661270).

881684 is a wasteful number, since it uses less digits than its factorization.

881684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220425 (or 220423 counting only the distinct ones).

The product of its digits is 12288, while the sum is 35.

The square root of 881684 is about 938.9802979829. The cubic root of 881684 is about 95.8894850929.

The spelling of 881684 in words is "eight hundred eighty-one thousand, six hundred eighty-four".