8198618 has 4 divisors (see below), whose sum is σ = 12297930. Its totient is φ = 4099308.

The previous prime is 8198611. The next prime is 8198627. The reversal of 8198618 is 8168918.

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., 8196769 + 1849 = 2863^2 + 43^2 .

8198618 is a strobogrammatic number because it is the same when read upside-down.

It is not an unprimeable number, because it can be changed into a prime (8198611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2049653 + ... + 2049656.

Almost surely, 2^8198618 is an apocalyptic number.

8198618 is a deficient number, since it is larger than the sum of its proper divisors (4099312).

8198618 is a wasteful number, since it uses less digits than its factorization.

8198618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4099311.

The product of its digits is 27648, while the sum is 41.

The square root of 8198618 is about 2863.3228948199. The cubic root of 8198618 is about 201.6416382511.

The spelling of 8198618 in words is "eight million, one hundred ninety-eight thousand, six hundred eighteen".