1339839 has 12 divisors (see below), whose sum is σ = 1983072. Its totient is φ = 871200.

The previous prime is 1339817. The next prime is 1339843. The reversal of 1339839 is 9389331.

It is not a de Polignac number, because 1339839 - 2⁷ = 1339711 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339859) 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 11 ways as a sum of consecutive naturals, for example, 1447 + ... + 2184.

It is an arithmetic number, because the mean of its divisors is an integer number (165256).

2^1339839 is an apocalyptic number.

1339839 is a deficient number, since it is larger than the sum of its proper divisors (643233).

1339839 is a wasteful number, since it uses less digits than its factorization.

1339839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3678 (or 3675 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 1339839 is about 1157.5141467818. The cubic root of 1339839 is about 110.2429615881.

The spelling of 1339839 in words is "one million, three hundred thirty-nine thousand, eight hundred thirty-nine".