989136822 has 16 divisors (see below), whose sum is σ = 1982515392. Its totient is φ = 329005320.

The previous prime is 989136821. The next prime is 989136851. The reversal of 989136822 is 228631989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (989136821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173704 + ... + 179307.

It is an arithmetic number, because the mean of its divisors is an integer number (123907212).

Almost surely, 2^989136822 is an apocalyptic number.

989136822 is an abundant number, since it is smaller than the sum of its proper divisors (993378570).

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

989136822 is a wasteful number, since it uses less digits than its factorization.

989136822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353483.

The product of its digits is 373248, while the sum is 48.

The square root of 989136822 is about 31450.5456550439. The cubic root of 989136822 is about 996.3657488856.

The spelling of 989136822 in words is "nine hundred eighty-nine million, one hundred thirty-six thousand, eight hundred twenty-two".