989102212 has 48 divisors (see below), whose sum is σ = 2087527680. Its totient is φ = 400891392.

The previous prime is 989102201. The next prime is 989102227. The reversal of 989102212 is 212201989.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48688 + ... + 65944.

It is an arithmetic number, because the mean of its divisors is an integer number (43490160).

Almost surely, 2^989102212 is an apocalyptic number.

989102212 is a gapful number since it is divisible by the number (92) 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 989102212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1043763840).

989102212 is an abundant number, since it is smaller than the sum of its proper divisors (1098425468).

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

989102212 is a wasteful number, since it uses less digits than its factorization.

989102212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17380 (or 17378 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 989102212 is about 31449.9954213033. The cubic root of 989102212 is about 996.3541277698.

The spelling of 989102212 in words is "nine hundred eighty-nine million, one hundred two thousand, two hundred twelve".