989012352 has 64 divisors (see below), whose sum is σ = 2683008000. Its totient is φ = 322650624.

The previous prime is 989012347. The next prime is 989012357. The reversal of 989012352 is 253210989.

It is an interprime number because it is at equal distance from previous prime (989012347) and next prime (989012357).

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 989012352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989012357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9352 + ... + 45447.

It is an arithmetic number, because the mean of its divisors is an integer number (41922000).

Almost surely, 2^989012352 is an apocalyptic number.

It is an amenable number.

989012352 is an abundant number, since it is smaller than the sum of its proper divisors (1693995648).

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

989012352 is a wasteful number, since it uses less digits than its factorization.

989012352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54863 (or 54851 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 989012352 is about 31448.5667717942. The cubic root of 989012352 is about 996.3239539103.

The spelling of 989012352 in words is "nine hundred eighty-nine million, twelve thousand, three hundred fifty-two".