8968644 has 36 divisors (see below), whose sum is σ = 23512944. Its totient is φ = 2989224.

The previous prime is 8968637. The next prime is 8968651. The reversal of 8968644 is 4468698.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8968637) and next prime (8968651).

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 8968644.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3642 + ... + 5585.

Almost surely, 2^8968644 is an apocalyptic number.

It is an amenable number.

8968644 is an abundant number, since it is smaller than the sum of its proper divisors (14544300).

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

8968644 is a wasteful number, since it uses less digits than its factorization.

8968644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9246 (or 9232 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 8968644 is about 2994.7694402074. The cubic root of 8968644 is about 207.7665341531.

The spelling of 8968644 in words is "eight million, nine hundred sixty-eight thousand, six hundred forty-four".