1238081338 has 32 divisors (see below), whose sum is σ = 2122739136. Its totient is φ = 536510208.

The previous prime is 1238081293. The next prime is 1238081353. The reversal of 1238081338 is 8331808321.

It is a junction number, because it is equal to n+sod(n) for n = 1238081297 and 1238081306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192645 + ... + 198967.

It is an arithmetic number, because the mean of its divisors is an integer number (66335598).

Almost surely, 2^1238081338 is an apocalyptic number.

1238081338 is a deficient number, since it is larger than the sum of its proper divisors (884657798).

1238081338 is a wasteful number, since it uses less digits than its factorization.

1238081338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6798.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 1238081338 is about 35186.3800070425. The cubic root of 1238081338 is about 1073.7826748120.

Adding to 1238081338 its reverse (8331808321), we get a palindrome (9569889659).

The spelling of 1238081338 in words is "one billion, two hundred thirty-eight million, eighty-one thousand, three hundred thirty-eight".