2538238 has 4 divisors (see below), whose sum is σ = 3807360. Its totient is φ = 1269118.

The previous prime is 2538203. The next prime is 2538241. The reversal of 2538238 is 8328352.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634558 + ... + 634561.

It is an arithmetic number, because the mean of its divisors is an integer number (951840).

2^2538238 is an apocalyptic number.

2538238 is a deficient number, since it is larger than the sum of its proper divisors (1269122).

2538238 is a wasteful number, since it uses less digits than its factorization.

2538238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269121.

The product of its digits is 11520, while the sum is 31.

The square root of 2538238 is about 1593.1848605859. The cubic root of 2538238 is about 136.4093419584.

The spelling of 2538238 in words is "two million, five hundred thirty-eight thousand, two hundred thirty-eight".