8618618 has 4 divisors (see below), whose sum is σ = 12927930. Its totient is φ = 4309308.

The previous prime is 8618593. The next prime is 8618639. The reversal of 8618618 is 8168168.

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., 8602489 + 16129 = 2933^2 + 127^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2154653 + ... + 2154656.

Almost surely, 2^8618618 is an apocalyptic number.

8618618 is a deficient number, since it is larger than the sum of its proper divisors (4309312).

8618618 is a wasteful number, since it uses less digits than its factorization.

8618618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4309311.

The product of its digits is 18432, while the sum is 38.

The square root of 8618618 is about 2935.7482862126. The cubic root of 8618618 is about 205.0277019871.

The spelling of 8618618 in words is "eight million, six hundred eighteen thousand, six hundred eighteen".