4836809 has 2 divisors, whose sum is σ = 4836810. Its totient is φ = 4836808.

The previous prime is 4836787. The next prime is 4836827. The reversal of 4836809 is 9086384.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4826809 + 10000 = 2197^2 + 100^2 .

It is a cyclic number.

It is not a de Polignac number, because 4836809 - 2⁸ = 4836553 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (4836829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2418404 + 2418405.

It is an arithmetic number, because the mean of its divisors is an integer number (2418405).

Almost surely, 2^4836809 is an apocalyptic number.

It is an amenable number.

4836809 is a deficient number, since it is larger than the sum of its proper divisors (1).

4836809 is an equidigital number, since it uses as much as digits as its factorization.

4836809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 4836809 is about 2199.2746531527. The cubic root of 4836809 is about 169.1166287602.

The spelling of 4836809 in words is "four million, eight hundred thirty-six thousand, eight hundred nine".