889929988 has 12 divisors (see below), whose sum is σ = 1572797772. Its totient is φ = 440559200.

The previous prime is 889929941. The next prime is 889930009.

889929988 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 749554884 + 140375104 = 27378^2 + 11848^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1100995 + ... + 1101802.

It is an arithmetic number, because the mean of its divisors is an integer number (131066481).

Almost surely, 2^889929988 is an apocalyptic number.

It is an amenable number.

889929988 is a deficient number, since it is larger than the sum of its proper divisors (682867784).

889929988 is a wasteful number, since it uses less digits than its factorization.

889929988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202902 (or 2202900 counting only the distinct ones).

The product of its digits is 53747712, while the sum is 70.

The square root of 889929988 is about 29831.6943534892. The cubic root of 889929988 is about 961.8749482666.

The spelling of 889929988 in words is "eight hundred eighty-nine million, nine hundred twenty-nine thousand, nine hundred eighty-eight".