881679 has 4 divisors (see below), whose sum is σ = 1175576. Its totient is φ = 587784.

The previous prime is 881669. The next prime is 881681. The reversal of 881679 is 976188.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 881679 - 2⁴ = 881663 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881669) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 146944 + ... + 146949.

It is an arithmetic number, because the mean of its divisors is an integer number (293894).

2⁸⁸¹⁶⁷⁹ is an apocalyptic number.

881679 is a deficient number, since it is larger than the sum of its proper divisors (293897).

881679 is a wasteful number, since it uses less digits than its factorization.

881679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293896.

The product of its digits is 24192, while the sum is 39.

The square root of 881679 is about 938.9776355164. The cubic root of 881679 is about 95.8893038306.

The spelling of 881679 in words is "eight hundred eighty-one thousand, six hundred seventy-nine".