8603664 has 20 divisors (see below), whose sum is σ = 22226256. Its totient is φ = 2867872.

The previous prime is 8603663. The next prime is 8603677. The reversal of 8603664 is 4663068.

It is not an unprimeable number, because it can be changed into a prime (8603663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89574 + ... + 89669.

Almost surely, 2^8603664 is an apocalyptic number.

It is an amenable number.

8603664 is an abundant number, since it is smaller than the sum of its proper divisors (13622592).

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

8603664 is a wasteful number, since it uses less digits than its factorization.

8603664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179254 (or 179248 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 8603664 is about 2933.2003000136. The cubic root of 8603664 is about 204.9090534517.

The spelling of 8603664 in words is "eight million, six hundred three thousand, six hundred sixty-four".