8918198 has 4 divisors (see below), whose sum is σ = 13377300. Its totient is φ = 4459098.

The previous prime is 8918177. The next prime is 8918207.

It is a happy number.

8918198 is nontrivially palindromic in base 10.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2229548 + ... + 2229551.

It is an arithmetic number, because the mean of its divisors is an integer number (3344325).

Almost surely, 2^8918198 is an apocalyptic number.

8918198 is a deficient number, since it is larger than the sum of its proper divisors (4459102).

8918198 is a wasteful number, since it uses less digits than its factorization.

8918198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4459101.

The product of its digits is 41472, while the sum is 44.

The square root of 8918198 is about 2986.3352122627. The cubic root of 8918198 is about 207.3762595082.

The spelling of 8918198 in words is "eight million, nine hundred eighteen thousand, one hundred ninety-eight".