989216 has 24 divisors (see below), whose sum is σ = 2051280. Its totient is φ = 468288.

The previous prime is 989173. The next prime is 989231. The reversal of 989216 is 612989.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

989216 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206 + ... + 1421.

It is an arithmetic number, because the mean of its divisors is an integer number (85470).

2⁹⁸⁹²¹⁶ is an apocalyptic number.

It is an amenable number.

989216 is an abundant number, since it is smaller than the sum of its proper divisors (1062064).

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

989216 is a wasteful number, since it uses less digits than its factorization.

989216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656 (or 1648 counting only the distinct ones).

The product of its digits is 7776, while the sum is 35.

The square root of 989216 is about 994.5933842531. The cubic root of 989216 is about 99.6392333729.

The spelling of 989216 in words is "nine hundred eighty-nine thousand, two hundred sixteen".