889904928 has 96 divisors (see below), whose sum is σ = 2553949440. Its totient is φ = 269077760.

The previous prime is 889904923. The next prime is 889904969. The reversal of 889904928 is 829409988.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (889904923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 872803 + ... + 873821.

It is an arithmetic number, because the mean of its divisors is an integer number (26603640).

Almost surely, 2^889904928 is an apocalyptic number.

889904928 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 889904928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1276974720).

889904928 is an abundant number, since it is smaller than the sum of its proper divisors (1664044512).

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

889904928 is a wasteful number, since it uses less digits than its factorization.

889904928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870 (or 1862 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 57.

The square root of 889904928 is about 29831.2743274571. The cubic root of 889904928 is about 961.8659195367.

The spelling of 889904928 in words is "eight hundred eighty-nine million, nine hundred four thousand, nine hundred twenty-eight".