8881889 has 4 divisors (see below), whose sum is σ = 8889024. Its totient is φ = 8874756.

The previous prime is 8881879. The next prime is 8881909. The reversal of 8881889 is 9881888.

8881889 is nontrivially palindromic in base 11.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 8881889 - 2²⁰ = 7833313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8881819) 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, 1157 + ... + 4370.

It is an arithmetic number, because the mean of its divisors is an integer number (2222256).

Almost surely, 2^8881889 is an apocalyptic number.

It is an amenable number.

8881889 is a deficient number, since it is larger than the sum of its proper divisors (7135).

8881889 is a wasteful number, since it uses less digits than its factorization.

8881889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7134.

The product of its digits is 294912, while the sum is 50.

The square root of 8881889 is about 2980.2498217431. The cubic root of 8881889 is about 207.0944437449.

Subtracting 8881889 from its reverse (9881888), we obtain a palindrome (999999).

The spelling of 8881889 in words is "eight million, eight hundred eighty-one thousand, eight hundred eighty-nine".