4916809 has 2 divisors, whose sum is σ = 4916810. Its totient is φ = 4916808.

The previous prime is 4916803. The next prime is 4916827. The reversal of 4916809 is 9086194.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4826809 + 90000 = 2197^2 + 300^2 .

It is a cyclic number.

It is not a de Polignac number, because 4916809 - 2⁵ = 4916777 is a prime.

It is not a weakly prime, because it can be changed into another prime (4916803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2458404 + 2458405.

It is an arithmetic number, because the mean of its divisors is an integer number (2458405).

Almost surely, 2^4916809 is an apocalyptic number.

It is an amenable number.

4916809 is a deficient number, since it is larger than the sum of its proper divisors (1).

4916809 is an equidigital number, since it uses as much as digits as its factorization.

4916809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 4916809 is about 2217.3878776615. The cubic root of 4916809 is about 170.0439217539.

The spelling of 4916809 in words is "four million, nine hundred sixteen thousand, eight hundred nine".