889631120 has 80 divisors (see below), whose sum is σ = 2421595008. Its totient is φ = 297569280.

The previous prime is 889631111. The next prime is 889631123. The reversal of 889631120 is 21136988.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (889631123) 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, 3587 + ... + 42333.

Almost surely, 2^889631120 is an apocalyptic number.

889631120 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 889631120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1210797504).

889631120 is an abundant number, since it is smaller than the sum of its proper divisors (1531963888).

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

889631120 is a wasteful number, since it uses less digits than its factorization.

889631120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38808 (or 38802 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 889631120 is about 29826.6846967611. The cubic root of 889631120 is about 961.7672597094.

The spelling of 889631120 in words is "eight hundred eighty-nine million, six hundred thirty-one thousand, one hundred twenty".