8717964 has 12 divisors (see below), whose sum is σ = 20341944. Its totient is φ = 2905984.

The previous prime is 8717963. The next prime is 8717981. The reversal of 8717964 is 4697178.

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

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8717963) 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, 363237 + ... + 363260.

It is an arithmetic number, because the mean of its divisors is an integer number (1695162).

Almost surely, 2^8717964 is an apocalyptic number.

It is an amenable number.

8717964 is an abundant number, since it is smaller than the sum of its proper divisors (11623980).

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

8717964 is a wasteful number, since it uses less digits than its factorization.

8717964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726504 (or 726502 counting only the distinct ones).

The product of its digits is 84672, while the sum is 42.

The square root of 8717964 is about 2952.6198536215. The cubic root of 8717964 is about 205.8124726938.

The spelling of 8717964 in words is "eight million, seven hundred seventeen thousand, nine hundred sixty-four".