7886648 has 96 divisors (see below), whose sum is σ = 19699200. Its totient is φ = 2923200.

The previous prime is 7886639. The next prime is 7886663. The reversal of 7886648 is 8466887.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133643 + ... + 133701.

It is an arithmetic number, because the mean of its divisors is an integer number (205200).

Almost surely, 2^7886648 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 7886648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9849600).

7886648 is an abundant number, since it is smaller than the sum of its proper divisors (11812552).

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

7886648 is a wasteful number, since it uses less digits than its factorization.

7886648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 110 counting only the distinct ones).

The product of its digits is 516096, while the sum is 47.

The square root of 7886648 is about 2808.3176458513. The cubic root of 7886648 is about 199.0509032008.

The spelling of 7886648 in words is "seven million, eight hundred eighty-six thousand, six hundred forty-eight".