1393589 has 2 divisors, whose sum is σ = 1393590. Its totient is φ = 1393588.

The previous prime is 1393577. The next prime is 1393607. The reversal of 1393589 is 9853931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 819025 + 574564 = 905^2 + 758^2 .

It is a cyclic number.

It is not a de Polignac number, because 1393589 - 2⁸ = 1393333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1393559) 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 as a sum of consecutive naturals, namely, 696794 + 696795.

It is an arithmetic number, because the mean of its divisors is an integer number (696795).

2^1393589 is an apocalyptic number.

It is an amenable number.

1393589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1393589 is an equidigital number, since it uses as much as digits as its factorization.

1393589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 38.

The square root of 1393589 is about 1180.5037060509. The cubic root of 1393589 is about 111.6978730139.

The spelling of 1393589 in words is "one million, three hundred ninety-three thousand, five hundred eighty-nine".