4238538 has 16 divisors (see below), whose sum is σ = 8509536. Its totient is φ = 1407440.

The previous prime is 4238519. The next prime is 4238543. The reversal of 4238538 is 8358324.

It is a junction number, because it is equal to n+sod(n) for n = 4238499 and 4238508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553 + ... + 2963.

It is an arithmetic number, because the mean of its divisors is an integer number (531846).

Almost surely, 2^4238538 is an apocalyptic number.

4238538 is an abundant number, since it is smaller than the sum of its proper divisors (4270998).

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

4238538 is a wasteful number, since it uses less digits than its factorization.

4238538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709.

The product of its digits is 23040, while the sum is 33.

The square root of 4238538 is about 2058.7709926070. The cubic root of 4238538 is about 161.8348415858.

The spelling of 4238538 in words is "four million, two hundred thirty-eight thousand, five hundred thirty-eight".