8138338 has 16 divisors (see below), whose sum is σ = 13298040. Its totient is φ = 3712896.

The previous prime is 8138323. The next prime is 8138363. The reversal of 8138338 is 8338318.

It can be written as a sum of positive squares in 4 ways, for example, as 6517809 + 1620529 = 2553^2 + 1273^2 .

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, 556 + ... + 4072.

Almost surely, 2^8138338 is an apocalyptic number.

8138338 is a deficient number, since it is larger than the sum of its proper divisors (5159702).

8138338 is a wasteful number, since it uses less digits than its factorization.

8138338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3621.

The product of its digits is 13824, while the sum is 34.

The square root of 8138338 is about 2852.7772433192. Note that the first 3 decimals coincide. The cubic root of 8138338 is about 201.1462348452.

It can be divided in two parts, 8 and 138338, that multiplied together give a square (1106704 = 1052²).

The spelling of 8138338 in words is "eight million, one hundred thirty-eight thousand, three hundred thirty-eight".