4618 has 4 divisors (see below), whose sum is σ = 6930. Its totient is φ = 2308.

The previous prime is 4603. The next prime is 4621. The reversal of 4618 is 8164.

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., 3249 + 1369 = 57^2 + 37^2 .

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 4595 and 4604.

It is an unprimeable number.

4618 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1153 + ... + 1156.

4618 is a deficient number, since it is larger than the sum of its proper divisors (2312).

4618 is a wasteful number, since it uses less digits than its factorization.

4618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311.

The product of its digits is 192, while the sum is 19.

The square root of 4618 is about 67.9558680321. The cubic root of 4618 is about 16.6526994093.

It can be divided in two parts, 46 and 18, that multiplied together give a palindrome (828).

The spelling of 4618 in words is "four thousand, six hundred eighteen".