8648660 has 12 divisors (see below), whose sum is σ = 18162228. Its totient is φ = 3459456.

The previous prime is 8648557. The next prime is 8648677. The reversal of 8648660 is 668468.

It can be written as a sum of positive squares in 2 ways, for example, as 6615184 + 2033476 = 2572^2 + 1426^2 .

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, 216197 + ... + 216236.

It is an arithmetic number, because the mean of its divisors is an integer number (1513519).

Almost surely, 2^8648660 is an apocalyptic number.

It is an amenable number.

8648660 is an abundant number, since it is smaller than the sum of its proper divisors (9513568).

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

8648660 is a wasteful number, since it uses less digits than its factorization.

8648660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432442 (or 432440 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 8648660 is about 2940.8604183130. The cubic root of 8648660 is about 205.2656480776.

The spelling of 8648660 in words is "eight million, six hundred forty-eight thousand, six hundred sixty".