989928822 has 8 divisors (see below), whose sum is σ = 1979857656. Its totient is φ = 329976272.

The previous prime is 989928817. The next prime is 989928839. The reversal of 989928822 is 228829989.

989928822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

989928822 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82494063 + ... + 82494074.

It is an arithmetic number, because the mean of its divisors is an integer number (247482207).

Almost surely, 2^989928822 is an apocalyptic number.

989928822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

989928822 is a wasteful number, since it uses less digits than its factorization.

989928822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164988142.

The product of its digits is 2985984, while the sum is 57.

The square root of 989928822 is about 31463.1343321037. The cubic root of 989928822 is about 996.6316073369.

The spelling of 989928822 in words is "nine hundred eighty-nine million, nine hundred twenty-eight thousand, eight hundred twenty-two".