881686 has 8 divisors (see below), whose sum is σ = 1424304. Its totient is φ = 406920.

The previous prime is 881681. The next prime is 881707. The reversal of 881686 is 686188.

881686 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×881686³ = 2056189273338170568, which contains 333 as substring.

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 in 3 ways as a sum of consecutive naturals, for example, 16930 + ... + 16981.

It is an arithmetic number, because the mean of its divisors is an integer number (178038).

2⁸⁸¹⁶⁸⁶ is an apocalyptic number.

881686 is a deficient number, since it is larger than the sum of its proper divisors (542618).

881686 is a wasteful number, since it uses less digits than its factorization.

881686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33926.

The product of its digits is 18432, while the sum is 37.

The square root of 881686 is about 938.9813629673. The cubic root of 881686 is about 95.8895575977.

The spelling of 881686 in words is "eight hundred eighty-one thousand, six hundred eighty-six".