4242342 has 32 divisors (see below), whose sum is σ = 9227232. Its totient is φ = 1292544.

The previous prime is 4242317. The next prime is 4242349. The reversal of 4242342 is 2432424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4242349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10488 + ... + 10884.

It is an arithmetic number, because the mean of its divisors is an integer number (288351).

Almost surely, 2^4242342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4242342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4613616).

4242342 is an abundant number, since it is smaller than the sum of its proper divisors (4984890).

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

4242342 is a wasteful number, since it uses less digits than its factorization.

4242342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552.

The product of its digits is 1536, while the sum is 21.

The square root of 4242342 is about 2059.6946375616. The cubic root of 4242342 is about 161.8832415814.

Adding to 4242342 its reverse (2432424), we get a palindrome (6674766).

The spelling of 4242342 in words is "four million, two hundred forty-two thousand, three hundred forty-two".