889545988 has 12 divisors (see below), whose sum is σ = 1592908240. Its totient is φ = 434429352.

The previous prime is 889545959. The next prime is 889545989.

889545988 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×889545988² = 1582584129533792288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (889545989) 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, 2585718 + ... + 2586061.

Almost surely, 2^889545988 is an apocalyptic number.

It is an amenable number.

889545988 is a deficient number, since it is larger than the sum of its proper divisors (703362252).

889545988 is a wasteful number, since it uses less digits than its factorization.

889545988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5171826 (or 5171824 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 64.

The square root of 889545988 is about 29825.2575512769. The cubic root of 889545988 is about 961.7365804086.

The spelling of 889545988 in words is "eight hundred eighty-nine million, five hundred forty-five thousand, nine hundred eighty-eight".