889517728 has 48 divisors (see below), whose sum is σ = 1939006944. Its totient is φ = 398280960.

The previous prime is 889517687. The next prime is 889517729. The reversal of 889517728 is 827715988.

It is not an unprimeable number, because it can be changed into a prime (889517729) 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 7 ways as a sum of consecutive naturals, for example, 4726 + ... + 42442.

It is an arithmetic number, because the mean of its divisors is an integer number (40395978).

Almost surely, 2^889517728 is an apocalyptic number.

889517728 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 889517728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (969503472).

889517728 is an abundant number, since it is smaller than the sum of its proper divisors (1049489216).

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

889517728 is a wasteful number, since it uses less digits than its factorization.

889517728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37805 (or 37797 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 55.

The square root of 889517728 is about 29824.7837879841. The cubic root of 889517728 is about 961.7263958261.

The spelling of 889517728 in words is "eight hundred eighty-nine million, five hundred seventeen thousand, seven hundred twenty-eight".