8545618 has 4 divisors (see below), whose sum is σ = 12818430. Its totient is φ = 4272808.

The previous prime is 8545613. The next prime is 8545637. The reversal of 8545618 is 8165458.

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., 7800849 + 744769 = 2793^2 + 863^2 .

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (8545613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2136403 + ... + 2136406.

Almost surely, 2^8545618 is an apocalyptic number.

8545618 is a deficient number, since it is larger than the sum of its proper divisors (4272812).

8545618 is a wasteful number, since it uses less digits than its factorization.

8545618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4272811.

The product of its digits is 38400, while the sum is 37.

The square root of 8545618 is about 2923.2889012207. The cubic root of 8545618 is about 204.4471959521.

The spelling of 8545618 in words is "eight million, five hundred forty-five thousand, six hundred eighteen".