1338329 has 4 divisors (see below), whose sum is σ = 1340880. Its totient is φ = 1335780.

The previous prime is 1338319. The next prime is 1338331. The reversal of 1338329 is 9238331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1338329 - 2¹² = 1334233 is a prime.

It is a super-2 number, since 2×1338329² = 3582249024482, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1338319) 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, 167 + ... + 1644.

It is an arithmetic number, because the mean of its divisors is an integer number (335220).

2^1338329 is an apocalyptic number.

It is an amenable number.

1338329 is a deficient number, since it is larger than the sum of its proper divisors (2551).

1338329 is an equidigital number, since it uses as much as digits as its factorization.

1338329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550.

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

The square root of 1338329 is about 1156.8617030570. The cubic root of 1338329 is about 110.2015313746.

The spelling of 1338329 in words is "one million, three hundred thirty-eight thousand, three hundred twenty-nine".