1038839 has 4 divisors (see below), whose sum is σ = 1041960. Its totient is φ = 1035720.

The previous prime is 1038833. The next prime is 1038881. The reversal of 1038839 is 9388301.

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 1038839 - 2⁴ = 1038823 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 (1038833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992 + ... + 1749.

It is an arithmetic number, because the mean of its divisors is an integer number (260490).

2^1038839 is an apocalyptic number.

1038839 is a deficient number, since it is larger than the sum of its proper divisors (3121).

1038839 is an equidigital number, since it uses as much as digits as its factorization.

1038839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1038839 is about 1019.2345166840. The cubic root of 1038839 is about 101.2782251240.

The spelling of 1038839 in words is "one million, thirty-eight thousand, eight hundred thirty-nine".