988228512 has 144 divisors (see below), whose sum is σ = 2935662912. Its totient is φ = 327006720.

The previous prime is 988228463. The next prime is 988228519. The reversal of 988228512 is 215822889.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (988228519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1298212 + ... + 1298972.

It is an arithmetic number, because the mean of its divisors is an integer number (20386548).

Almost surely, 2^988228512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 988228512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1467831456).

988228512 is an abundant number, since it is smaller than the sum of its proper divisors (1947434400).

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

988228512 is a wasteful number, since it uses less digits than its factorization.

988228512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953 (or 933 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 988228512 is about 31436.1020484411. The cubic root of 988228512 is about 996.0606727447.

The spelling of 988228512 in words is "nine hundred eighty-eight million, two hundred twenty-eight thousand, five hundred twelve".