4098839 has 2 divisors, whose sum is σ = 4098840. Its totient is φ = 4098838.

The previous prime is 4098821. The next prime is 4098847. The reversal of 4098839 is 9388904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4098839 - 2⁸ = 4098583 is a prime.

It is a super-2 number, since 2×4098839² = 33600962295842, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4098796 and 4098805.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4098869) 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, 2049419 + 2049420.

It is an arithmetic number, because the mean of its divisors is an integer number (2049420).

Almost surely, 2^4098839 is an apocalyptic number.

4098839 is a deficient number, since it is larger than the sum of its proper divisors (1).

4098839 is an equidigital number, since it uses as much as digits as its factorization.

4098839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 4098839 is about 2024.5589643179. The cubic root of 4098839 is about 160.0369576085.

The spelling of 4098839 in words is "four million, ninety-eight thousand, eight hundred thirty-nine".