8564964 has 12 divisors (see below), whose sum is σ = 19984944. Its totient is φ = 2854984.

The previous prime is 8564939. The next prime is 8564981. The reversal of 8564964 is 4694658.

It is a tau number, because it is divible by the number of its divisors (12).

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, 356862 + ... + 356885.

It is an arithmetic number, because the mean of its divisors is an integer number (1665412).

Almost surely, 2^8564964 is an apocalyptic number.

It is an amenable number.

8564964 is an abundant number, since it is smaller than the sum of its proper divisors (11419980).

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

8564964 is a wasteful number, since it uses less digits than its factorization.

8564964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713754 (or 713752 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 8564964 is about 2926.5959748486. The cubic root of 8564964 is about 204.6013589595.

The spelling of 8564964 in words is "eight million, five hundred sixty-four thousand, nine hundred sixty-four".