881000449 has 12 divisors (see below), whose sum is σ = 1042210800. Its totient is φ = 742341768.

The previous prime is 881000437. The next prime is 881000459. The reversal of 881000449 is 944000188.

It is not a de Polignac number, because 881000449 - 2⁷ = 881000321 is a prime.

It is a super-2 number, since 2×881000449² = 1552323582276403202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (881000459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149479 + ... + 155260.

It is an arithmetic number, because the mean of its divisors is an integer number (86850900).

It is a Proth number, since it is equal to 13443 ⋅ 2¹⁶ + 1 and 13443 < 2¹⁶.

Almost surely, 2^881000449 is an apocalyptic number.

It is an amenable number.

881000449 is a deficient number, since it is larger than the sum of its proper divisors (161210351).

881000449 is a wasteful number, since it uses less digits than its factorization.

881000449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304812 (or 304805 counting only the distinct ones).

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

The square root of 881000449 is about 29681.6517229079. The cubic root of 881000449 is about 958.6469832148.

The spelling of 881000449 in words is "eight hundred eighty-one million, four hundred forty-nine", and thus it is an aban number.