1383668847 has 24 divisors (see below), whose sum is σ = 2206608768. Its totient is φ = 828478800.

The previous prime is 1383668821. The next prime is 1383668857. The reversal of 1383668847 is 7488663831.

It is a de Polignac number, because none of the positive numbers 2^k-1383668847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1383668793 and 1383668802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383668807) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 75979 + ... + 92412.

It is an arithmetic number, because the mean of its divisors is an integer number (91942032).

Almost surely, 2^1383668847 is an apocalyptic number.

1383668847 is a deficient number, since it is larger than the sum of its proper divisors (822939921).

1383668847 is a wasteful number, since it uses less digits than its factorization.

1383668847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168491 (or 168488 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 1383668847 is about 37197.6994853176. The cubic root of 1383668847 is about 1114.3220414263.

The spelling of 1383668847 in words is "one billion, three hundred eighty-three million, six hundred sixty-eight thousand, eight hundred forty-seven".