1338628312 has 16 divisors (see below), whose sum is σ = 2868489360. Its totient is φ = 573697824.

The previous prime is 1338628301. The next prime is 1338628321. The reversal of 1338628312 is 2138268331.

It is a congruent number.

It is an unprimeable number.

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, 11951983 + ... + 11952094.

It is an arithmetic number, because the mean of its divisors is an integer number (179280585).

Almost surely, 2^1338628312 is an apocalyptic number.

It is an amenable number.

1338628312 is an abundant number, since it is smaller than the sum of its proper divisors (1529861048).

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

1338628312 is a wasteful number, since it uses less digits than its factorization.

1338628312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23904090 (or 23904086 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 1338628312 is about 36587.2698079537. The cubic root of 1338628312 is about 1102.0974614149.

The spelling of 1338628312 in words is "one billion, three hundred thirty-eight million, six hundred twenty-eight thousand, three hundred twelve".