2080865 has 8 divisors (see below), whose sum is σ = 2531688. Its totient is φ = 1641600.

The previous prime is 2080849. The next prime is 2080877. The reversal of 2080865 is 5680802.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 565504 + 1515361 = 752^2 + 1231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2080865 - 2⁴ = 2080849 is a prime.

It is a Duffinian number.

It is a plaindrome in base 6.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2486 + ... + 3215.

It is an arithmetic number, because the mean of its divisors is an integer number (316461).

2^2080865 is an apocalyptic number.

It is an amenable number.

2080865 is a deficient number, since it is larger than the sum of its proper divisors (450823).

2080865 is an equidigital number, since it uses as much as digits as its factorization.

2080865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5779.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 2080865 is about 1442.5203638077. The cubic root of 2080865 is about 127.6677786089.

The spelling of 2080865 in words is "two million, eighty thousand, eight hundred sixty-five".