4418238 has 16 divisors (see below), whose sum is σ = 9639936. Its totient is φ = 1338840.

The previous prime is 4418221. The next prime is 4418243. The reversal of 4418238 is 8328144.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 33406 + ... + 33537.

It is an arithmetic number, because the mean of its divisors is an integer number (602496).

Almost surely, 2^4418238 is an apocalyptic number.

4418238 is an abundant number, since it is smaller than the sum of its proper divisors (5221698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4418238 is a wasteful number, since it uses less digits than its factorization.

4418238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66959.

The product of its digits is 6144, while the sum is 30.

The square root of 4418238 is about 2101.9605134255. The cubic root of 4418238 is about 164.0903477990.

It can be divided in two parts, 4418 and 238, that added together give a triangular number (4656 = T₉₆).

The spelling of 4418238 in words is "four million, four hundred eighteen thousand, two hundred thirty-eight".