889934388 has 96 divisors (see below), whose sum is σ = 2507366400. Its totient is φ = 239988096.

The previous prime is 889934333. The next prime is 889934389. The reversal of 889934388 is 883439988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889934389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 505053 + ... + 506811.

It is an arithmetic number, because the mean of its divisors is an integer number (26118400).

Almost surely, 2^889934388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 889934388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1253683200).

889934388 is an abundant number, since it is smaller than the sum of its proper divisors (1617432012).

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

889934388 is a wasteful number, since it uses less digits than its factorization.

889934388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109 (or 2107 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 60.

The square root of 889934388 is about 29831.7681004663. The cubic root of 889934388 is about 961.8765335010.

The spelling of 889934388 in words is "eight hundred eighty-nine million, nine hundred thirty-four thousand, three hundred eighty-eight".