4238742 has 16 divisors (see below), whose sum is σ = 8658432. Its totient is φ = 1382760.

The previous prime is 4238719. The next prime is 4238747. The reversal of 4238742 is 2478324.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4238747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7234 + ... + 7797.

It is an arithmetic number, because the mean of its divisors is an integer number (541152).

Almost surely, 2^4238742 is an apocalyptic number.

4238742 is an abundant number, since it is smaller than the sum of its proper divisors (4419690).

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

4238742 is a wasteful number, since it uses less digits than its factorization.

4238742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15083.

The product of its digits is 10752, while the sum is 30.

The square root of 4238742 is about 2058.8205361323. The cubic root of 4238742 is about 161.8374379039.

It can be divided in two parts, 423874 and 2, that multiplied together give a palindrome (847748).

The spelling of 4238742 in words is "four million, two hundred thirty-eight thousand, seven hundred forty-two".