1383389 has 8 divisors (see below), whose sum is σ = 1589760. Its totient is φ = 1179216.

The previous prime is 1383379. The next prime is 1383391. The reversal of 1383389 is 9833831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1383389 - 2¹⁶ = 1317853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1383359) 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 7 ways as a sum of consecutive naturals, for example, 1172 + ... + 2034.

It is an arithmetic number, because the mean of its divisors is an integer number (198720).

2^1383389 is an apocalyptic number.

It is an amenable number.

1383389 is a deficient number, since it is larger than the sum of its proper divisors (206371).

1383389 is an equidigital number, since it uses as much as digits as its factorization.

1383389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099.

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

The square root of 1383389 is about 1176.1755821305. The cubic root of 1383389 is about 111.4246912490.

The spelling of 1383389 in words is "one million, three hundred eighty-three thousand, three hundred eighty-nine".