989314560 has 400 divisors, whose sum is σ = 3826380096. Its totient is φ = 242860032.

The previous prime is 989314559. The next prime is 989314583. The reversal of 989314560 is 65413989.

It is a happy number.

989314560 is a `hidden beast` number, since 9 + 89 + 3 + 1 + 4 + 560 = 666.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2695497 + ... + 2695863.

Almost surely, 2^989314560 is an apocalyptic number.

989314560 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 989314560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1913190048).

989314560 is an abundant number, since it is smaller than the sum of its proper divisors (2837065536).

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

989314560 is a wasteful number, since it uses less digits than its factorization.

989314560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 989314560 is about 31453.3712024641. The cubic root of 989314560 is about 996.4254243001.

The spelling of 989314560 in words is "nine hundred eighty-nine million, three hundred fourteen thousand, five hundred sixty".