1389383 has 2 divisors, whose sum is σ = 1389384. Its totient is φ = 1389382.

The previous prime is 1389371. The next prime is 1389403. The reversal of 1389383 is 3839831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1389383 - 2⁶ = 1389319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1389083) by changing a digit.

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 as a sum of consecutive naturals, namely, 694691 + 694692.

It is an arithmetic number, because the mean of its divisors is an integer number (694692).

2^1389383 is an apocalyptic number.

1389383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1389383 is an equidigital number, since it uses as much as digits as its factorization.

1389383 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1389383 is about 1178.7209169265. The cubic root of 1389383 is about 111.5853877487.

The spelling of 1389383 in words is "one million, three hundred eighty-nine thousand, three hundred eighty-three".