1397339 has 2 divisors, whose sum is σ = 1397340. Its totient is φ = 1397338.

The previous prime is 1397329. The next prime is 1397359. The reversal of 1397339 is 9337931.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1397339 - 2²⁰ = 348763 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1397299 and 1397308.

It is not a weakly prime, because it can be changed into another prime (1397329) 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, 698669 + 698670.

It is an arithmetic number, because the mean of its divisors is an integer number (698670).

2^1397339 is an apocalyptic number.

1397339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1397339 is an equidigital number, since it uses as much as digits as its factorization.

1397339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15309, while the sum is 35.

The square root of 1397339 is about 1182.0909440479. The cubic root of 1397339 is about 111.7979723199.

The spelling of 1397339 in words is "one million, three hundred ninety-seven thousand, three hundred thirty-nine".