989284104000 has 672 divisors, whose sum is σ = 3684995862912. Its totient is φ = 262725120000.

The previous prime is 989284103987. The next prime is 989284104049. The reversal of 989284104000 is 401482989.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 546263095 + ... + 546264905.

It is an arithmetic number, because the mean of its divisors is an integer number (5483624796).

Almost surely, 2^989284104000 is an apocalyptic number.

989284104000 is a gapful number since it is divisible by the number (90) 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 989284104000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1842497931456).

989284104000 is an abundant number, since it is smaller than the sum of its proper divisors (2695711758912).

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

989284104000 is a wasteful number, since it uses less digits than its factorization.

989284104000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134 (or 2102 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

Adding to 989284104000 its reverse (401482989), we get a palindrome (989685586989).

The spelling of 989284104000 in words is "nine hundred eighty-nine billion, two hundred eighty-four million, one hundred four thousand".