7989568 has 28 divisors (see below), whose sum is σ = 16369792. Its totient is φ = 3864960.

The previous prime is 7989563. The next prime is 7989571. The reversal of 7989568 is 8659897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7989563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30 + ... + 3997.

Almost surely, 2^7989568 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 7989568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8184896).

7989568 is an abundant number, since it is smaller than the sum of its proper divisors (8380224).

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

7989568 is a wasteful number, since it uses less digits than its factorization.

7989568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070 (or 4060 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 52.

The square root of 7989568 is about 2826.5823886807. The cubic root of 7989568 is about 199.9130288522.

The spelling of 7989568 in words is "seven million, nine hundred eighty-nine thousand, five hundred sixty-eight".