8664198 has 16 divisors (see below), whose sum is σ = 17368560. Its totient is φ = 2881376.

The previous prime is 8664193. The next prime is 8664223. The reversal of 8664198 is 8914668.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8664193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1636 + ... + 4472.

It is an arithmetic number, because the mean of its divisors is an integer number (1085535).

Almost surely, 2^8664198 is an apocalyptic number.

8664198 is an abundant number, since it is smaller than the sum of its proper divisors (8704362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8664198 is a wasteful number, since it uses less digits than its factorization.

8664198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351.

The product of its digits is 82944, while the sum is 42.

The square root of 8664198 is about 2943.5009767282. The cubic root of 8664198 is about 205.3884998461.

The spelling of 8664198 in words is "eight million, six hundred sixty-four thousand, one hundred ninety-eight".