8218043 has 4 divisors (see below), whose sum is σ = 8282880. Its totient is φ = 8153208.

The previous prime is 8218027. The next prime is 8218057. The reversal of 8218043 is 3408128.

8218043 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 8218043 - 2⁴ = 8218027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8218073) 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, 32228 + ... + 32481.

It is an arithmetic number, because the mean of its divisors is an integer number (2070720).

Almost surely, 2^8218043 is an apocalyptic number.

8218043 is a deficient number, since it is larger than the sum of its proper divisors (64837).

8218043 is a wasteful number, since it uses less digits than its factorization.

8218043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64836.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 8218043 is about 2866.7129259833. The cubic root of 8218043 is about 201.8007626083.

The spelling of 8218043 in words is "eight million, two hundred eighteen thousand, forty-three".