889564896 has 288 divisors, whose sum is σ = 2917232640. Its totient is φ = 263450880.

The previous prime is 889564877. The next prime is 889564901. The reversal of 889564896 is 698465988.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7004385 + ... + 7004511.

It is an arithmetic number, because the mean of its divisors is an integer number (10129280).

Almost surely, 2^889564896 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 889564896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1458616320).

889564896 is an abundant number, since it is smaller than the sum of its proper divisors (2027667744).

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

889564896 is a wasteful number, since it uses less digits than its factorization.

889564896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 210 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 63.

The square root of 889564896 is about 29825.5745292526. The cubic root of 889564896 is about 961.7433945163.

The spelling of 889564896 in words is "eight hundred eighty-nine million, five hundred sixty-four thousand, eight hundred ninety-six".