10989568 has 26 divisors (see below), whose sum is σ = 21984644. Its totient is φ = 5492736.

The previous prime is 10989527. The next prime is 10989569. The reversal of 10989568 is 86598901.

It is not an unprimeable number, because it can be changed into a prime (10989569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755 + ... + 5437.

Almost surely, 2^10989568 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 10989568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10992322).

10989568 is an abundant number, since it is smaller than the sum of its proper divisors (10995076).

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

10989568 is an frugal number, since it uses more digits than its factorization.

10989568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707 (or 2685 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 46.

The square root of 10989568 is about 3315.0517341363. The cubic root of 10989568 is about 222.3276820922.

The spelling of 10989568 in words is "ten million, nine hundred eighty-nine thousand, five hundred sixty-eight".