4218338 has 8 divisors (see below), whose sum is σ = 6602688. Its totient is φ = 2017444.

The previous prime is 4218317. The next prime is 4218349. The reversal of 4218338 is 8338124.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4218338.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45806 + ... + 45897.

It is an arithmetic number, because the mean of its divisors is an integer number (825336).

Almost surely, 2^4218338 is an apocalyptic number.

4218338 is a deficient number, since it is larger than the sum of its proper divisors (2384350).

4218338 is a wasteful number, since it uses less digits than its factorization.

4218338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91728.

The product of its digits is 4608, while the sum is 29.

The square root of 4218338 is about 2053.8592941095. The cubic root of 4218338 is about 161.5773415688.

The spelling of 4218338 in words is "four million, two hundred eighteen thousand, three hundred thirty-eight".