8557648 has 20 divisors (see below), whose sum is σ = 18088128. Its totient is φ = 3889760.

The previous prime is 8557609. The next prime is 8557649. The reversal of 8557648 is 8467558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8557649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24136 + ... + 24487.

Almost surely, 2^8557648 is an apocalyptic number.

8557648 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

8557648 is an abundant number, since it is smaller than the sum of its proper divisors (9530480).

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

8557648 is a wasteful number, since it uses less digits than its factorization.

8557648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48642 (or 48636 counting only the distinct ones).

The product of its digits is 268800, while the sum is 43.

The square root of 8557648 is about 2925.3457915262. The cubic root of 8557648 is about 204.5430870687.

The spelling of 8557648 in words is "eight million, five hundred fifty-seven thousand, six hundred forty-eight".