8668618 has 8 divisors (see below), whose sum is σ = 14860512. Its totient is φ = 3715116.

The previous prime is 8668613. The next prime is 8668637. The reversal of 8668618 is 8168668.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (8668613) 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, 309580 + ... + 309607.

It is an arithmetic number, because the mean of its divisors is an integer number (1857564).

Almost surely, 2^8668618 is an apocalyptic number.

8668618 is a deficient number, since it is larger than the sum of its proper divisors (6191894).

8668618 is a wasteful number, since it uses less digits than its factorization.

8668618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619196.

The product of its digits is 110592, while the sum is 43.

The square root of 8668618 is about 2944.2516876110. The cubic root of 8668618 is about 205.4234199022.

The spelling of 8668618 in words is "eight million, six hundred sixty-eight thousand, six hundred eighteen".