8918543 has 4 divisors (see below), whose sum is σ = 9387960. Its totient is φ = 8449128.

The previous prime is 8918527. The next prime is 8918561. The reversal of 8918543 is 3458198.

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 8918543 - 2⁴ = 8918527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8918497 and 8918506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8918743) 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, 234680 + ... + 234717.

It is an arithmetic number, because the mean of its divisors is an integer number (2346990).

Almost surely, 2^8918543 is an apocalyptic number.

8918543 is a deficient number, since it is larger than the sum of its proper divisors (469417).

8918543 is a wasteful number, since it uses less digits than its factorization.

8918543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469416.

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

The square root of 8918543 is about 2986.3929748109. The cubic root of 8918543 is about 207.3789335868.

The spelling of 8918543 in words is "eight million, nine hundred eighteen thousand, five hundred forty-three".