1338369 has 4 divisors (see below), whose sum is σ = 1784496. Its totient is φ = 892244.

The previous prime is 1338367. The next prime is 1338371. The reversal of 1338369 is 9638331.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9638331 = 3 ⋅3212777.

It is an interprime number because it is at equal distance from previous prime (1338367) and next prime (1338371).

It is a cyclic number.

It is not a de Polignac number, because 1338369 - 2¹ = 1338367 is a prime.

It is a super-2 number, since 2×1338369² = 3582463160322, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (1338361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223059 + ... + 223064.

It is an arithmetic number, because the mean of its divisors is an integer number (446124).

2^1338369 is an apocalyptic number.

It is an amenable number.

1338369 is a deficient number, since it is larger than the sum of its proper divisors (446127).

1338369 is an equidigital number, since it uses as much as digits as its factorization.

1338369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446126.

The product of its digits is 11664, while the sum is 33.

The square root of 1338369 is about 1156.8789910790. The cubic root of 1338369 is about 110.2026292655.

The spelling of 1338369 in words is "one million, three hundred thirty-eight thousand, three hundred sixty-nine".