1005339 has 4 divisors (see below), whose sum is σ = 1340456. Its totient is φ = 670224.

The previous prime is 1005331. The next prime is 1005349. The reversal of 1005339 is 9335001.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1005339 - 2³ = 1005331 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005331) 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 3 ways as a sum of consecutive naturals, for example, 167554 + ... + 167559.

It is an arithmetic number, because the mean of its divisors is an integer number (335114).

2^1005339 is an apocalyptic number.

1005339 is a deficient number, since it is larger than the sum of its proper divisors (335117).

1005339 is an equidigital number, since it uses as much as digits as its factorization.

1005339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335116.

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 1005339 is about 1002.6659463650. The cubic root of 1005339 is about 100.1776508814.

The spelling of 1005339 in words is "one million, five thousand, three hundred thirty-nine".