1389339 has 16 divisors (see below), whose sum is σ = 2352640. Its totient is φ = 793800.

The previous prime is 1389329. The next prime is 1389347. The reversal of 1389339 is 9339831.

It is not a de Polignac number, because 1389339 - 2⁷ = 1389211 is a prime.

It is a Duffinian number.

1389339 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1389319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3487 + ... + 3864.

It is an arithmetic number, because the mean of its divisors is an integer number (147040).

2^1389339 is an apocalyptic number.

1389339 is a deficient number, since it is larger than the sum of its proper divisors (963301).

1389339 is an equidigital number, since it uses as much as digits as its factorization.

1389339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7367 (or 7361 counting only the distinct ones).

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

The square root of 1389339 is about 1178.7022524794. The cubic root of 1389339 is about 111.5842098136.

It can be divided in two parts, 1389 and 339, that added together give a cube (1728 = 12³).

The spelling of 1389339 in words is "one million, three hundred eighty-nine thousand, three hundred thirty-nine".