6338538 has 24 divisors (see below), whose sum is σ = 13786500. Its totient is φ = 2104704.

The previous prime is 6338537. The next prime is 6338551. The reversal of 6338538 is 8358336.

It can be written as a sum of positive squares in 2 ways, for example, as 6335289 + 3249 = 2517^2 + 57^2 .

It is not an unprimeable number, because it can be changed into a prime (6338531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5778 + ... + 6786.

Almost surely, 2^6338538 is an apocalyptic number.

6338538 is an abundant number, since it is smaller than the sum of its proper divisors (7447962).

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

6338538 is a wasteful number, since it uses less digits than its factorization.

6338538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366 (or 1363 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 6338538 is about 2517.6453284766. The cubic root of 6338538 is about 185.0673044617.

The spelling of 6338538 in words is "six million, three hundred thirty-eight thousand, five hundred thirty-eight".