4242238 has 48 divisors (see below), whose sum is σ = 8643456. Its totient is φ = 1516320.

The previous prime is 4242233. The next prime is 4242241. The reversal of 4242238 is 8322424.

4242238 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

4242238 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25945 + ... + 26107.

It is an arithmetic number, because the mean of its divisors is an integer number (180072).

Almost surely, 2^4242238 is an apocalyptic number.

4242238 is an abundant number, since it is smaller than the sum of its proper divisors (4401218).

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

4242238 is a wasteful number, since it uses less digits than its factorization.

4242238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 196 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 4242238 is about 2059.6693909460. The cubic root of 4242238 is about 161.8819187276.

It can be divided in two parts, 424 and 2238, that added together give a palindrome (2662).

The spelling of 4242238 in words is "four million, two hundred forty-two thousand, two hundred thirty-eight".