2080385 has 4 divisors (see below), whose sum is σ = 2496468. Its totient is φ = 1664304.

The previous prime is 2080363. The next prime is 2080391. The reversal of 2080385 is 5830802.

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 982081 + 1098304 = 991^2 + 1048^2 .

It is a cyclic number.

It is not a de Polignac number, because 2080385 - 2⁶ = 2080321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208034 + ... + 208043.

It is an arithmetic number, because the mean of its divisors is an integer number (624117).

2^2080385 is an apocalyptic number.

It is an amenable number.

2080385 is a deficient number, since it is larger than the sum of its proper divisors (416083).

2080385 is an equidigital number, since it uses as much as digits as its factorization.

2080385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416082.

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

The square root of 2080385 is about 1442.3539787445. The cubic root of 2080385 is about 127.6579613380.

The spelling of 2080385 in words is "two million, eighty thousand, three hundred eighty-five".