1338355 has 4 divisors (see below), whose sum is σ = 1606032. Its totient is φ = 1070680.

The previous prime is 1338349. The next prime is 1338361. The reversal of 1338355 is 5538331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5538331 = 23 ⋅240797.

It is an interprime number because it is at equal distance from previous prime (1338349) and next prime (1338361).

It is not a de Polignac number, because 1338355 - 2¹⁵ = 1305587 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 133831 + ... + 133840.

It is an arithmetic number, because the mean of its divisors is an integer number (401508).

2^1338355 is an apocalyptic number.

1338355 is a deficient number, since it is larger than the sum of its proper divisors (267677).

1338355 is an equidigital number, since it uses as much as digits as its factorization.

1338355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267676.

The product of its digits is 5400, while the sum is 28.

The square root of 1338355 is about 1156.8729403007. The cubic root of 1338355 is about 110.2022450062.

The spelling of 1338355 in words is "one million, three hundred thirty-eight thousand, three hundred fifty-five".