5309839 has 2 divisors, whose sum is σ = 5309840. Its totient is φ = 5309838.

The previous prime is 5309819. The next prime is 5309851. The reversal of 5309839 is 9389035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5309839 - 2⁵ = 5309807 is a prime.

It is a Chen prime.

5309839 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5309798 and 5309807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5309809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2654919 + 2654920.

It is an arithmetic number, because the mean of its divisors is an integer number (2654920).

Almost surely, 2^5309839 is an apocalyptic number.

5309839 is a deficient number, since it is larger than the sum of its proper divisors (1).

5309839 is an equidigital number, since it uses as much as digits as its factorization.

5309839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 5309839 is about 2304.3087900713. The cubic root of 5309839 is about 174.4591629192.

The spelling of 5309839 in words is "five million, three hundred nine thousand, eight hundred thirty-nine".