8916218 has 4 divisors (see below), whose sum is σ = 13374330. Its totient is φ = 4458108.

The previous prime is 8916217. The next prime is 8916233. The reversal of 8916218 is 8126198.

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

It can be written as a sum of positive squares in only one way, i.e., 8082649 + 833569 = 2843^2 + 913^2 .

It is not an unprimeable number, because it can be changed into a prime (8916217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2229053 + ... + 2229056.

Almost surely, 2^8916218 is an apocalyptic number.

8916218 is a deficient number, since it is larger than the sum of its proper divisors (4458112).

8916218 is a wasteful number, since it uses less digits than its factorization.

8916218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458111.

The product of its digits is 6912, while the sum is 35.

The square root of 8916218 is about 2986.0036838557. The cubic root of 8916218 is about 207.3609112886.

The spelling of 8916218 in words is "eight million, nine hundred sixteen thousand, two hundred eighteen".