1382747344 has 60 divisors (see below), whose sum is σ = 3099836320. Its totient is φ = 595425600.

The previous prime is 1382747269. The next prime is 1382747351. The reversal of 1382747344 is 4437472831.

It is a self number, because there is not a number n which added to its sum of digits gives 1382747344.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17989 + ... + 55579.

Almost surely, 2^1382747344 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 1382747344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1549918160).

1382747344 is an abundant number, since it is smaller than the sum of its proper divisors (1717088976).

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

1382747344 is a wasteful number, since it uses less digits than its factorization.

1382747344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37640 (or 37623 counting only the distinct ones).

The product of its digits is 451584, while the sum is 43.

The square root of 1382747344 is about 37185.3108632965. The cubic root of 1382747344 is about 1114.0746124872.

The spelling of 1382747344 in words is "one billion, three hundred eighty-two million, seven hundred forty-seven thousand, three hundred forty-four".