8642648 has 16 divisors (see below), whose sum is σ = 18520080. Its totient is φ = 3703968.

The previous prime is 8642633. The next prime is 8642651. The reversal of 8642648 is 8462468.

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 3 ways as a sum of consecutive naturals, for example, 77111 + ... + 77222.

It is an arithmetic number, because the mean of its divisors is an integer number (1157505).

Almost surely, 2^8642648 is an apocalyptic number.

It is an amenable number.

8642648 is an abundant number, since it is smaller than the sum of its proper divisors (9877432).

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

8642648 is a wasteful number, since it uses less digits than its factorization.

8642648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154346 (or 154342 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The square root of 8642648 is about 2939.8380907798. The cubic root of 8642648 is about 205.2180744984.

The spelling of 8642648 in words is "eight million, six hundred forty-two thousand, six hundred forty-eight".