8645648 has 20 divisors (see below), whose sum is σ = 18274128. Its totient is φ = 3929760.

The previous prime is 8645647. The next prime is 8645653. The reversal of 8645648 is 8465468.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (8645647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24386 + ... + 24737.

Almost surely, 2^8645648 is an apocalyptic number.

8645648 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8645648 is an abundant number, since it is smaller than the sum of its proper divisors (9628480).

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

8645648 is a wasteful number, since it uses less digits than its factorization.

8645648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49142 (or 49136 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 8645648 is about 2940.3482786908. The cubic root of 8645648 is about 205.2418165662.

The spelling of 8645648 in words is "eight million, six hundred forty-five thousand, six hundred forty-eight".