7987648 has 28 divisors (see below), whose sum is σ = 15983712. Its totient is φ = 3960320.

The previous prime is 7987627. The next prime is 7987649. The reversal of 7987648 is 8467897.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7987649) 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, 8313 + ... + 9223.

Almost surely, 2^7987648 is an apocalyptic number.

It is an amenable number.

7987648 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

7987648 is a wasteful number, since it uses less digits than its factorization.

7987648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060 (or 1050 counting only the distinct ones).

The product of its digits is 677376, while the sum is 49.

The square root of 7987648 is about 2826.2427355059. The cubic root of 7987648 is about 199.8970136448.

Subtracting 7987648 from its reverse (8467897), we obtain a square (480249 = 693²).

The spelling of 7987648 in words is "seven million, nine hundred eighty-seven thousand, six hundred forty-eight".