881449 has 2 divisors, whose sum is σ = 881450. Its totient is φ = 881448.

The previous prime is 881437. The next prime is 881471. The reversal of 881449 is 944188.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 692224 + 189225 = 832^2 + 435^2 .

It is a cyclic number.

It is not a de Polignac number, because 881449 - 2⁵ = 881417 is a prime.

It is not a weakly prime, because it can be changed into another prime (881479) 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 as a sum of consecutive naturals, namely, 440724 + 440725.

It is an arithmetic number, because the mean of its divisors is an integer number (440725).

2⁸⁸¹⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

881449 is a deficient number, since it is larger than the sum of its proper divisors (1).

881449 is an equidigital number, since it uses as much as digits as its factorization.

881449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 34.

The square root of 881449 is about 938.8551538976. The cubic root of 881449 is about 95.8809650217.

The spelling of 881449 in words is "eight hundred eighty-one thousand, four hundred forty-nine".