4923839 has 2 divisors, whose sum is σ = 4923840. Its totient is φ = 4923838.

The previous prime is 4923811. The next prime is 4923883. The reversal of 4923839 is 9383294.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4923839 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4923889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2461919 + 2461920.

It is an arithmetic number, because the mean of its divisors is an integer number (2461920).

Almost surely, 2^4923839 is an apocalyptic number.

4923839 is a deficient number, since it is larger than the sum of its proper divisors (1).

4923839 is an equidigital number, since it uses as much as digits as its factorization.

4923839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 38.

The square root of 4923839 is about 2218.9725099694. The cubic root of 4923839 is about 170.1249254763.

The spelling of 4923839 in words is "four million, nine hundred twenty-three thousand, eight hundred thirty-nine".