1338946338 has 8 divisors (see below), whose sum is σ = 2677892688. Its totient is φ = 446315444.

The previous prime is 1338946309. The next prime is 1338946339. The reversal of 1338946338 is 8336498331.

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

1338946338 is an admirable number.

It is a super-2 number, since 2×1338946338² = 3585554592087220488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1338946339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111578856 + ... + 111578867.

It is an arithmetic number, because the mean of its divisors is an integer number (334736586).

Almost surely, 2^1338946338 is an apocalyptic number.

1338946338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1338946338 is a wasteful number, since it uses less digits than its factorization.

1338946338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223157728.

The product of its digits is 1119744, while the sum is 48.

The square root of 1338946338 is about 36591.6156790049. The cubic root of 1338946338 is about 1102.1847318173.

The spelling of 1338946338 in words is "one billion, three hundred thirty-eight million, nine hundred forty-six thousand, three hundred thirty-eight".