4918 has 4 divisors (see below), whose sum is σ = 7380. Its totient is φ = 2458.

The previous prime is 4909. The next prime is 4919. The reversal of 4918 is 8194.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 8, base 15 and base 16.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1228 + ... + 1231.

It is an arithmetic number, because the mean of its divisors is an integer number (1845).

2⁴⁹¹⁸ is an apocalyptic number.

4918 is a deficient number, since it is larger than the sum of its proper divisors (2462).

4918 is a wasteful number, since it uses less digits than its factorization.

4918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461.

The product of its digits is 288, while the sum is 22.

The square root of 4918 is about 70.1284535691. The cubic root of 4918 is about 17.0057650574.

The spelling of 4918 in words is "four thousand, nine hundred eighteen".