1383329 has 4 divisors (see below), whose sum is σ = 1431060. Its totient is φ = 1335600.

The previous prime is 1383323. The next prime is 1383331. The reversal of 1383329 is 9233831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9233831 = 37 ⋅249563.

It can be written as a sum of positive squares in 2 ways, for example, as 664225 + 719104 = 815^2 + 848^2 .

It is a cyclic number.

It is not a de Polignac number, because 1383329 - 2¹⁶ = 1317793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 47701 = 1383329 / (1 + 3 + 8 + 3 + 3 + 2 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1383323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23822 + ... + 23879.

It is an arithmetic number, because the mean of its divisors is an integer number (357765).

2^1383329 is an apocalyptic number.

It is an amenable number.

1383329 is a deficient number, since it is larger than the sum of its proper divisors (47731).

1383329 is an equidigital number, since it uses as much as digits as its factorization.

1383329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47730.

The product of its digits is 3888, while the sum is 29.

The square root of 1383329 is about 1176.1500754581. The cubic root of 1383329 is about 111.4230803311.

The spelling of 1383329 in words is "one million, three hundred eighty-three thousand, three hundred twenty-nine".