108989568 has 96 divisors (see below), whose sum is σ = 322231260. Its totient is φ = 35334144.

The previous prime is 108989527. The next prime is 108989591. The reversal of 108989568 is 865989801.

It can be written as a sum of positive squares in 2 ways, for example, as 105021504 + 3968064 = 10248^2 + 1992^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41346 + ... + 43902.

Almost surely, 2^108989568 is an apocalyptic number.

108989568 is a gapful number since it is divisible by the number (18) 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 108989568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161115630).

108989568 is an abundant number, since it is smaller than the sum of its proper divisors (213241692).

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

108989568 is a wasteful number, since it uses less digits than its factorization.

108989568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614 (or 2599 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 54.

The square root of 108989568 is about 10439.8068947658. The cubic root of 108989568 is about 477.6703784235.

The spelling of 108989568 in words is "one hundred eight million, nine hundred eighty-nine thousand, five hundred sixty-eight".