4803809 has 4 divisors (see below), whose sum is σ = 5086404. Its totient is φ = 4521216.

The previous prime is 4803797. The next prime is 4803857. The reversal of 4803809 is 9083084.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3411409 + 1392400 = 1847^2 + 1180^2 .

It is a cyclic number.

It is not a de Polignac number, because 4803809 - 2¹² = 4799713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4803899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141272 + ... + 141305.

It is an arithmetic number, because the mean of its divisors is an integer number (1271601).

Almost surely, 2^4803809 is an apocalyptic number.

It is an amenable number.

4803809 is a deficient number, since it is larger than the sum of its proper divisors (282595).

4803809 is a wasteful number, since it uses less digits than its factorization.

4803809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282594.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 4803809 is about 2191.7593389786. The cubic root of 4803809 is about 168.7311411938.

Subtracting 4803809 from its reverse (9083084), we obtain a triangular number (4279275 = T₂₉₂₅).

The spelling of 4803809 in words is "four million, eight hundred three thousand, eight hundred nine".