1383371808 has 192 divisors, whose sum is σ = 4500599040. Its totient is φ = 364455936.

The previous prime is 1383371797. The next prime is 1383371813. The reversal of 1383371808 is 8081733831.

It is a super-3 number, since 3×1383371808³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 1383371808.

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 31 ways as a sum of consecutive naturals, for example, 1475916 + ... + 1476852.

It is an arithmetic number, because the mean of its divisors is an integer number (23440620).

Almost surely, 2^1383371808 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 1383371808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2250299520).

1383371808 is an abundant number, since it is smaller than the sum of its proper divisors (3117227232).

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

1383371808 is an equidigital number, since it uses as much as digits as its factorization.

1383371808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 1383371808 is about 37193.7065644176. The cubic root of 1383371808 is about 1114.2422967210.

The spelling of 1383371808 in words is "one billion, three hundred eighty-three million, three hundred seventy-one thousand, eight hundred eight".