1038439 has 4 divisors (see below), whose sum is σ = 1040656. Its totient is φ = 1036224.

The previous prime is 1038421. The next prime is 1038449. The reversal of 1038439 is 9348301.

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

It is a cyclic number.

It is not a de Polignac number, because 1038439 - 2⁷ = 1038311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1038409) 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, 99 + ... + 1444.

It is an arithmetic number, because the mean of its divisors is an integer number (260164).

2^1038439 is an apocalyptic number.

1038439 is a deficient number, since it is larger than the sum of its proper divisors (2217).

1038439 is an equidigital number, since it uses as much as digits as its factorization.

1038439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1038439 is about 1019.0382720978. The cubic root of 1038439 is about 101.2652245561.

The spelling of 1038439 in words is "one million, thirty-eight thousand, four hundred thirty-nine".