2085807 has 4 divisors (see below), whose sum is σ = 2781080. Its totient is φ = 1390536.

The previous prime is 2085803. The next prime is 2085823. The reversal of 2085807 is 7085802.

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

It is not a de Polignac number, because 2085807 - 2² = 2085803 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085803) 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, 347632 + ... + 347637.

It is an arithmetic number, because the mean of its divisors is an integer number (695270).

2^2085807 is an apocalyptic number.

2085807 is a deficient number, since it is larger than the sum of its proper divisors (695273).

2085807 is an equidigital number, since it uses as much as digits as its factorization.

2085807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695272.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 2085807 is about 1444.2323220313. The cubic root of 2085807 is about 127.7687679147.

The spelling of 2085807 in words is "two million, eighty-five thousand, eight hundred seven".