1338403 has 8 divisors (see below), whose sum is σ = 1468656. Its totient is φ = 1209600.

The previous prime is 1338397. The next prime is 1338413. The reversal of 1338403 is 3048331.

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 1338403 - 2⁵ = 1338371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1338413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2875 + ... + 3307.

It is an arithmetic number, because the mean of its divisors is an integer number (183582).

2^1338403 is an apocalyptic number.

1338403 is a deficient number, since it is larger than the sum of its proper divisors (130253).

1338403 is a wasteful number, since it uses less digits than its factorization.

1338403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1338403 is about 1156.8936856946. The cubic root of 1338403 is about 110.2035624554.

It can be divided in two parts, 13 and 38403, that added together give a 4-th power (38416 = 14⁴).

The spelling of 1338403 in words is "one million, three hundred thirty-eight thousand, four hundred three".