4678618 has 12 divisors (see below), whose sum is σ = 8163882. Its totient is φ = 2005080.

The previous prime is 4678567. The next prime is 4678631. The reversal of 4678618 is 8168764.

It can be written as a sum of positive squares in only one way, i.e., 4678569 + 49 = 2163^2 + 7^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23773 + ... + 23968.

Almost surely, 2^4678618 is an apocalyptic number.

4678618 is a deficient number, since it is larger than the sum of its proper divisors (3485264).

4678618 is a wasteful number, since it uses less digits than its factorization.

4678618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47757 (or 47750 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 4678618 is about 2163.0113268312. The cubic root of 4678618 is about 167.2524657355.

The spelling of 4678618 in words is "four million, six hundred seventy-eight thousand, six hundred eighteen".