1326449384 has 64 divisors (see below), whose sum is σ = 2785285440. Its totient is φ = 588234240.

The previous prime is 1326449323. The next prime is 1326449417. The reversal of 1326449384 is 4839446231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283367 + ... + 288009.

It is an arithmetic number, because the mean of its divisors is an integer number (43520085).

Almost surely, 2^1326449384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1326449384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1392642720).

1326449384 is an abundant number, since it is smaller than the sum of its proper divisors (1458836056).

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

1326449384 is a wasteful number, since it uses less digits than its factorization.

1326449384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4770 (or 4766 counting only the distinct ones).

The product of its digits is 497664, while the sum is 44.

The square root of 1326449384 is about 36420.4528253013. The cubic root of 1326449384 is about 1098.7449553787.

The spelling of 1326449384 in words is "one billion, three hundred twenty-six million, four hundred forty-nine thousand, three hundred eighty-four".