8643396 has 12 divisors (see below), whose sum is σ = 20167952. Its totient is φ = 2881128.

The previous prime is 8643367. The next prime is 8643409. The reversal of 8643396 is 6933468.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 360130 + ... + 360153.

Almost surely, 2^8643396 is an apocalyptic number.

It is an amenable number.

8643396 is an abundant number, since it is smaller than the sum of its proper divisors (11524556).

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

8643396 is a wasteful number, since it uses less digits than its factorization.

8643396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720290 (or 720288 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 8643396 is about 2939.9653059177. The cubic root of 8643396 is about 205.2239947014.

The spelling of 8643396 in words is "eight million, six hundred forty-three thousand, three hundred ninety-six".