8664964 has 36 divisors (see below), whose sum is σ = 19247760. Its totient is φ = 3375120.

The previous prime is 8664961. The next prime is 8664977. The reversal of 8664964 is 4694668.

It is a super-2 number, since 2×8664964² = 150163202242592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8664964.

It is not an unprimeable number, because it can be changed into a prime (8664961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147 + ... + 4165.

It is an arithmetic number, because the mean of its divisors is an integer number (534660).

Almost surely, 2^8664964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8664964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9623880).

8664964 is an abundant number, since it is smaller than the sum of its proper divisors (10582796).

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

8664964 is a wasteful number, since it uses less digits than its factorization.

8664964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048 (or 4039 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 8664964 is about 2943.6310910167. The cubic root of 8664964 is about 205.3945524531.

The spelling of 8664964 in words is "eight million, six hundred sixty-four thousand, nine hundred sixty-four".