2320805 has 8 divisors (see below), whose sum is σ = 2853144. Its totient is φ = 1811200.

The previous prime is 2320741. The next prime is 2320807. The reversal of 2320805 is 5080232.

2320805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 103684 + 2217121 = 322^2 + 1489^2 .

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

It is not a de Polignac number, because 2320805 - 2⁶ = 2320741 is a prime.

It is a super-2 number, since 2×2320805² = 10772271696050, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5456 + ... + 5865.

It is an arithmetic number, because the mean of its divisors is an integer number (356643).

2^2320805 is an apocalyptic number.

It is an amenable number.

2320805 is a deficient number, since it is larger than the sum of its proper divisors (532339).

2320805 is a wasteful number, since it uses less digits than its factorization.

2320805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11367.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2320805 is about 1523.4188524500. The cubic root of 2320805 is about 132.3974286275.

It can be divided in two parts, 2320 and 805, that added together give a 5-th power (3125 = 5⁵).

The spelling of 2320805 in words is "two million, three hundred twenty thousand, eight hundred five".