2083805 has 4 divisors (see below), whose sum is σ = 2500572. Its totient is φ = 1667040.

The previous prime is 2083799. The next prime is 2083813. The reversal of 2083805 is 5083802.

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 1545049 + 538756 = 1243^2 + 734^2 .

It is not a de Polignac number, because 2083805 - 2¹² = 2079709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208376 + ... + 208385.

It is an arithmetic number, because the mean of its divisors is an integer number (625143).

2^2083805 is an apocalyptic number.

It is an amenable number.

2083805 is a deficient number, since it is larger than the sum of its proper divisors (416767).

2083805 is an equidigital number, since it uses as much as digits as its factorization.

2083805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416766.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2083805 is about 1443.5390538534. The cubic root of 2083805 is about 127.7278764747.

The spelling of 2083805 in words is "two million, eighty-three thousand, eight hundred five".