881321 has 8 divisors (see below), whose sum is σ = 1015680. Its totient is φ = 749088.

The previous prime is 881317. The next prime is 881327. The reversal of 881321 is 123188.

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

It is a cyclic number.

It is not a de Polignac number, because 881321 - 2² = 881317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (881327) 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 7 ways as a sum of consecutive naturals, for example, 500 + ... + 1418.

It is an arithmetic number, because the mean of its divisors is an integer number (126960).

2⁸⁸¹³²¹ is an apocalyptic number.

It is an amenable number.

881321 is a deficient number, since it is larger than the sum of its proper divisors (134359).

881321 is a wasteful number, since it uses less digits than its factorization.

881321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063.

The product of its digits is 384, while the sum is 23.

The square root of 881321 is about 938.7869832928. The cubic root of 881321 is about 95.8763236650.

The spelling of 881321 in words is "eight hundred eighty-one thousand, three hundred twenty-one".