8649960 has 64 divisors (see below), whose sum is σ = 28313280. Its totient is φ = 2096640.

The previous prime is 8649937. The next prime is 8649967. The reversal of 8649960 is 699468.

It is not an unprimeable number, because it can be changed into a prime (8649967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1957 + ... + 4596.

It is an arithmetic number, because the mean of its divisors is an integer number (442395).

Almost surely, 2^8649960 is an apocalyptic number.

It is an amenable number.

8649960 is an abundant number, since it is smaller than the sum of its proper divisors (19663320).

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

8649960 is a wasteful number, since it uses less digits than its factorization.

8649960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6578 (or 6574 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 8649960 is about 2941.0814337587. The cubic root of 8649960 is about 205.2759322131.

The spelling of 8649960 in words is "eight million, six hundred forty-nine thousand, nine hundred sixty".