1339389 has 16 divisors (see below), whose sum is σ = 2006400. Its totient is φ = 883008.

The previous prime is 1339381. The next prime is 1339391. The reversal of 1339389 is 9839331.

It is not a de Polignac number, because 1339389 - 2³ = 1339381 is a prime.

1339389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2832 + ... + 3270.

It is an arithmetic number, because the mean of its divisors is an integer number (125400).

2^1339389 is an apocalyptic number.

It is an amenable number.

1339389 is a deficient number, since it is larger than the sum of its proper divisors (667011).

1339389 is a wasteful number, since it uses less digits than its factorization.

1339389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561 (or 555 counting only the distinct ones).

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

The square root of 1339389 is about 1157.3197483842. The cubic root of 1339389 is about 110.2306180932.

It can be divided in two parts, 1339 and 389, that added together give a cube (1728 = 12³).

The spelling of 1339389 in words is "one million, three hundred thirty-nine thousand, three hundred eighty-nine".