989716001 has 8 divisors (see below), whose sum is σ = 1000423200. Its totient is φ = 979060320.

The previous prime is 989715959. The next prime is 989716103. The reversal of 989716001 is 100617989.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-989716001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 989716001.

It is not an unprimeable number, because it can be changed into a prime (989716201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26390 + ... + 51728.

It is an arithmetic number, because the mean of its divisors is an integer number (125052900).

Almost surely, 2^989716001 is an apocalyptic number.

It is an amenable number.

989716001 is a deficient number, since it is larger than the sum of its proper divisors (10707199).

989716001 is a wasteful number, since it uses less digits than its factorization.

989716001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25759.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 989716001 is about 31459.7520810320. The cubic root of 989716001 is about 996.5601815494.

The spelling of 989716001 in words is "nine hundred eighty-nine million, seven hundred sixteen thousand, one".