2083809 has 32 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 1032192.

The previous prime is 2083799. The next prime is 2083813. The reversal of 2083809 is 9083802.

It is not a de Polignac number, because 2083809 - 2⁷ = 2083681 is a prime.

2083809 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2083819) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4417 + ... + 4865.

It is an arithmetic number, because the mean of its divisors is an integer number (113400).

2^2083809 is an apocalyptic number.

It is an amenable number.

2083809 is a deficient number, since it is larger than the sum of its proper divisors (1544991).

2083809 is a wasteful number, since it uses less digits than its factorization.

2083809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 2083809 is about 1443.5404393366. The cubic root of 2083809 is about 127.7279582020.

The spelling of 2083809 in words is "two million, eighty-three thousand, eight hundred nine".