4911839 has 2 divisors, whose sum is σ = 4911840. Its totient is φ = 4911838.

The previous prime is 4911799. The next prime is 4911853. The reversal of 4911839 is 9381194.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4911839 - 2¹² = 4907743 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 4911799 and 4911808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4911859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2455919 + 2455920.

It is an arithmetic number, because the mean of its divisors is an integer number (2455920).

Almost surely, 2^4911839 is an apocalyptic number.

4911839 is a deficient number, since it is larger than the sum of its proper divisors (1).

4911839 is an equidigital number, since it uses as much as digits as its factorization.

4911839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 35.

The square root of 4911839 is about 2216.2669063089. The cubic root of 4911839 is about 169.9866079416.

The spelling of 4911839 in words is "four million, nine hundred eleven thousand, eight hundred thirty-nine".