6345839 has 2 divisors, whose sum is σ = 6345840. Its totient is φ = 6345838.

The previous prime is 6345827. The next prime is 6345851. The reversal of 6345839 is 9385436.

It is a balanced prime because it is at equal distance from previous prime (6345827) and next prime (6345851).

It is a cyclic number.

It is not a de Polignac number, because 6345839 - 2¹⁶ = 6280303 is a prime.

It is a super-2 number, since 2×6345839² = 80539345227842, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6345139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3172919 + 3172920.

It is an arithmetic number, because the mean of its divisors is an integer number (3172920).

Almost surely, 2^6345839 is an apocalyptic number.

6345839 is a deficient number, since it is larger than the sum of its proper divisors (1).

6345839 is an equidigital number, since it uses as much as digits as its factorization.

6345839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 38.

The square root of 6345839 is about 2519.0948771335. The cubic root of 6345839 is about 185.1383333509.

The spelling of 6345839 in words is "six million, three hundred forty-five thousand, eight hundred thirty-nine".