1383639488 has 56 divisors (see below), whose sum is σ = 3423172224. Its totient is φ = 539078400.

The previous prime is 1383639449. The next prime is 1383639553. The reversal of 1383639488 is 8849363831.

It is a tau number, because it is divible by the number of its divisors (56).

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 7 ways as a sum of consecutive naturals, for example, 135458 + ... + 145313.

Almost surely, 2^1383639488 is an apocalyptic number.

It is an amenable number.

1383639488 is an abundant number, since it is smaller than the sum of its proper divisors (2039532736).

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

1383639488 is a wasteful number, since it uses less digits than its factorization.

1383639488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280801 (or 280791 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 53.

The square root of 1383639488 is about 37197.3048486043. The cubic root of 1383639488 is about 1114.3141600578.

The spelling of 1383639488 in words is "one billion, three hundred eighty-three million, six hundred thirty-nine thousand, four hundred eighty-eight".