8644368 has 40 divisors (see below), whose sum is σ = 22646368. Its totient is φ = 2840832.

The previous prime is 8644331. The next prime is 8644397. The reversal of 8644368 is 8634468.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2271 + ... + 4737.

Almost surely, 2^8644368 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 8644368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11323184).

8644368 is an abundant number, since it is smaller than the sum of its proper divisors (14002000).

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

8644368 is a wasteful number, since it uses less digits than its factorization.

8644368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551 (or 2545 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 8644368 is about 2940.1306093437. The cubic root of 8644368 is about 205.2316872891.

The spelling of 8644368 in words is "eight million, six hundred forty-four thousand, three hundred sixty-eight".