1383839 has 4 divisors (see below), whose sum is σ = 1388856. Its totient is φ = 1378824.

The previous prime is 1383829. The next prime is 1383853. The reversal of 1383839 is 9383831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1383839 - 2⁸ = 1383583 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 1383799 and 1383808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383829) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2069 + ... + 2654.

It is an arithmetic number, because the mean of its divisors is an integer number (347214).

2^1383839 is an apocalyptic number.

1383839 is a deficient number, since it is larger than the sum of its proper divisors (5017).

1383839 is an equidigital number, since it uses as much as digits as its factorization.

1383839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5016.

The product of its digits is 15552, while the sum is 35.

The square root of 1383839 is about 1176.3668645452. The cubic root of 1383839 is about 111.4367716485.

It can be divided in two parts, 1383 and 839, that added together give a palindrome (2222).

The spelling of 1383839 in words is "one million, three hundred eighty-three thousand, eight hundred thirty-nine".