989356032 has 336 divisors, whose sum is σ = 3434925312. Its totient is φ = 278691840.

The previous prime is 989356009. The next prime is 989356051. The reversal of 989356032 is 230653989.

989356032 is a `hidden beast` number, since 9 + 8 + 9 + 35 + 603 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13934557 + ... + 13934627.

It is an arithmetic number, because the mean of its divisors is an integer number (10222992).

Almost surely, 2^989356032 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 989356032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1717462656).

989356032 is an abundant number, since it is smaller than the sum of its proper divisors (2445569280).

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

989356032 is an frugal number, since it uses more digits than its factorization.

989356032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 83 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 989356032 is about 31454.0304571608. The cubic root of 989356032 is about 996.4393474678.

The spelling of 989356032 in words is "nine hundred eighty-nine million, three hundred fifty-six thousand, thirty-two".