1338843 has 16 divisors (see below), whose sum is σ = 2016000. Its totient is φ = 782880.

The previous prime is 1338823. The next prime is 1338851. The reversal of 1338843 is 3488331.

It is not a de Polignac number, because 1338843 - 2⁵ = 1338811 is a prime.

1338843 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1338843.

It is not an unprimeable number, because it can be changed into a prime (1338803) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 258 + ... + 1656.

It is an arithmetic number, because the mean of its divisors is an integer number (126000).

2^1338843 is an apocalyptic number.

1338843 is a deficient number, since it is larger than the sum of its proper divisors (677157).

1338843 is a wasteful number, since it uses less digits than its factorization.

1338843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442.

The product of its digits is 6912, while the sum is 30.

The square root of 1338843 is about 1157.0838344735. The cubic root of 1338843 is about 110.2156376064.

It can be divided in two parts, 13388 and 43, that added together give a palindrome (13431).

The spelling of 1338843 in words is "one million, three hundred thirty-eight thousand, eight hundred forty-three".