8696664 has 72 divisors (see below), whose sum is σ = 24564540. Its totient is φ = 2778048.

The previous prime is 8696663. The next prime is 8696671. The reversal of 8696664 is 4666968.

It is a tau number, because it is divible by the number of its divisors (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8696663) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 164062 + ... + 164114.

Almost surely, 2^8696664 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 8696664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12282270).

8696664 is an abundant number, since it is smaller than the sum of its proper divisors (15867876).

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

8696664 is a wasteful number, since it uses less digits than its factorization.

8696664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 101 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 8696664 is about 2949.0106815676. The cubic root of 8696664 is about 205.6447201949.

The spelling of 8696664 in words is "eight million, six hundred ninety-six thousand, six hundred sixty-four".