938129338 has 8 divisors (see below), whose sum is σ = 1407323988. Its totient is φ = 469021344.

The previous prime is 938129333. The next prime is 938129363. The reversal of 938129338 is 833921839.

It can be written as a sum of positive squares in 2 ways, for example, as 851880969 + 86248369 = 29187^2 + 9287^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (938129333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31320 + ... + 53452.

Almost surely, 2^938129338 is an apocalyptic number.

938129338 is a deficient number, since it is larger than the sum of its proper divisors (469194650).

938129338 is a wasteful number, since it uses less digits than its factorization.

938129338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43328.

The product of its digits is 279936, while the sum is 46.

The square root of 938129338 is about 30628.8971071438. The cubic root of 938129338 is about 978.9358635252.

The spelling of 938129338 in words is "nine hundred thirty-eight million, one hundred twenty-nine thousand, three hundred thirty-eight".