2320385 has 8 divisors (see below), whose sum is σ = 2793960. Its totient is φ = 1849984.

The previous prime is 2320363. The next prime is 2320387. The reversal of 2320385 is 5830232.

It can be written as a sum of positive squares in 4 ways, for example, as 82369 + 2238016 = 287^2 + 1496^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2320385 - 2⁶ = 2320321 is a prime.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 2320385.

It is not an unprimeable number, because it can be changed into a prime (2320387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1349 + ... + 2541.

It is an arithmetic number, because the mean of its divisors is an integer number (349245).

It is a Proth number, since it is equal to 1133 ⋅ 2¹¹ + 1 and 1133 < 2¹¹.

2^2320385 is an apocalyptic number.

It is an amenable number.

2320385 is a deficient number, since it is larger than the sum of its proper divisors (473575).

2320385 is a wasteful number, since it uses less digits than its factorization.

2320385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2320385 is about 1523.2809983716. The cubic root of 2320385 is about 132.3894414170.

The spelling of 2320385 in words is "two million, three hundred twenty thousand, three hundred eighty-five".