889441020 has 384 divisors, whose sum is σ = 3276806400. Its totient is φ = 198180864.

The previous prime is 889440997. The next prime is 889441043. The reversal of 889441020 is 20144988.

It is an interprime number because it is at equal distance from previous prime (889440997) and next prime (889441043).

It is a super-2 number, since 2×889441020² = 1582210656117280800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3460732 + ... + 3460988.

It is an arithmetic number, because the mean of its divisors is an integer number (8533350).

Almost surely, 2^889441020 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 889441020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1638403200).

889441020 is an abundant number, since it is smaller than the sum of its proper divisors (2387365380).

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

889441020 is a wasteful number, since it uses less digits than its factorization.

889441020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 889441020 is about 29823.4977827887. The cubic root of 889441020 is about 961.6987500481.

The spelling of 889441020 in words is "eight hundred eighty-nine million, four hundred forty-one thousand, twenty".