2080643 has 4 divisors (see below), whose sum is σ = 2124960. Its totient is φ = 2036328.

The previous prime is 2080609. The next prime is 2080651. The reversal of 2080643 is 3460802.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2080643 - 2¹⁶ = 2015107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2080343) 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, 22088 + ... + 22181.

It is an arithmetic number, because the mean of its divisors is an integer number (531240).

2^2080643 is an apocalyptic number.

2080643 is a deficient number, since it is larger than the sum of its proper divisors (44317).

2080643 is an equidigital number, since it uses as much as digits as its factorization.

2080643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44316.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2080643 is about 1442.4434131015. The cubic root of 2080643 is about 127.6632383088.

The spelling of 2080643 in words is "two million, eighty thousand, six hundred forty-three".