989290752 has 72 divisors (see below), whose sum is σ = 2638476960. Its totient is φ = 329072640.

The previous prime is 989290751. The next prime is 989290759. The reversal of 989290752 is 257092989.

It is a junction number, because it is equal to n+sod(n) for n = 989290695 and 989290704.

It is not an unprimeable number, because it can be changed into a prime (989290751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474352 + ... + 476432.

Almost surely, 2^989290752 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 989290752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1319238480).

989290752 is an abundant number, since it is smaller than the sum of its proper divisors (1649186208).

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

989290752 is a wasteful number, since it uses less digits than its factorization.

989290752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2719 (or 2705 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 989290752 is about 31452.9927351914. The cubic root of 989290752 is about 996.4174311946.

The spelling of 989290752 in words is "nine hundred eighty-nine million, two hundred ninety thousand, seven hundred fifty-two".