8640893 has 8 divisors (see below), whose sum is σ = 9227328. Its totient is φ = 8072064.

The previous prime is 8640889. The next prime is 8640911. The reversal of 8640893 is 3980468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8640893 - 2² = 8640889 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8640823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3380 + ... + 5357.

It is an arithmetic number, because the mean of its divisors is an integer number (1153416).

Almost surely, 2^8640893 is an apocalyptic number.

It is an amenable number.

8640893 is a deficient number, since it is larger than the sum of its proper divisors (586435).

8640893 is a wasteful number, since it uses less digits than its factorization.

8640893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8803.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 8640893 is about 2939.5395897997. The cubic root of 8640893 is about 205.2041828415.

The spelling of 8640893 in words is "eight million, six hundred forty thousand, eight hundred ninety-three".