889039986 has 16 divisors (see below), whose sum is σ = 1807229568. Its totient is φ = 291488400.

The previous prime is 889039981. The next prime is 889040003. The reversal of 889039986 is 689930988.

It is not an unprimeable number, because it can be changed into a prime (889039981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1214170 + ... + 1214901.

It is an arithmetic number, because the mean of its divisors is an integer number (112951848).

Almost surely, 2^889039986 is an apocalyptic number.

889039986 is an abundant number, since it is smaller than the sum of its proper divisors (918189582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

889039986 is a wasteful number, since it uses less digits than its factorization.

889039986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429137.

The product of its (nonzero) digits is 6718464, while the sum is 60.

The square root of 889039986 is about 29816.7735679097. The cubic root of 889039986 is about 961.5541903875.

It can be divided in two parts, 88903 and 9986, that added together give a palindrome (98889).

The spelling of 889039986 in words is "eight hundred eighty-nine million, thirty-nine thousand, nine hundred eighty-six".