889003440 has 480 divisors, whose sum is σ = 3519524736. Its totient is φ = 199065600.

The previous prime is 889003433. The next prime is 889003459. The reversal of 889003440 is 44300988.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 889003395 and 889003404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5887365 + ... + 5887515.

Almost surely, 2^889003440 is an apocalyptic number.

889003440 is a gapful number since it is divisible by the number (80) 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 889003440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1759762368).

889003440 is an abundant number, since it is smaller than the sum of its proper divisors (2630521296).

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

889003440 is a wasteful number, since it uses less digits than its factorization.

889003440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 889003440 is about 29816.1607186438. The cubic root of 889003440 is about 961.5410145869.

The spelling of 889003440 in words is "eight hundred eighty-nine million, three thousand, four hundred forty".