8518943 has 4 divisors (see below), whose sum is σ = 8547000. Its totient is φ = 8490888.

The previous prime is 8518933. The next prime is 8518963. The reversal of 8518943 is 3498158.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8518943 - 2¹⁰ = 8517919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8518897 and 8518906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8518933) 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, 13568 + ... + 14181.

It is an arithmetic number, because the mean of its divisors is an integer number (2136750).

Almost surely, 2^8518943 is an apocalyptic number.

8518943 is a deficient number, since it is larger than the sum of its proper divisors (28057).

8518943 is a wasteful number, since it uses less digits than its factorization.

8518943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28056.

The product of its digits is 34560, while the sum is 38.

The square root of 8518943 is about 2918.7228371327. The cubic root of 8518943 is about 204.2342480887.

The spelling of 8518943 in words is "eight million, five hundred eighteen thousand, nine hundred forty-three".