1338394244 has 12 divisors (see below), whose sum is σ = 2555116368. Its totient is φ = 608361000.

The previous prime is 1338394243. The next prime is 1338394247. The reversal of 1338394244 is 4424938331.

It is not an unprimeable number, because it can be changed into a prime (1338394243) 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, 15208982 + ... + 15209069.

It is an arithmetic number, because the mean of its divisors is an integer number (212926364).

Almost surely, 2^1338394244 is an apocalyptic number.

It is an amenable number.

1338394244 is a deficient number, since it is larger than the sum of its proper divisors (1216722124).

1338394244 is a wasteful number, since it uses less digits than its factorization.

1338394244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30418066 (or 30418064 counting only the distinct ones).

The product of its digits is 248832, while the sum is 41.

The square root of 1338394244 is about 36584.0709052451. The cubic root of 1338394244 is about 1102.0332213309.

The spelling of 1338394244 in words is "one billion, three hundred thirty-eight million, three hundred ninety-four thousand, two hundred forty-four".