2340785 has 4 divisors (see below), whose sum is σ = 2808948. Its totient is φ = 1872624.

The previous prime is 2340773. The next prime is 2340787. The reversal of 2340785 is 5870432.

It is a happy number.

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 287296 + 2053489 = 536^2 + 1433^2 .

It is a cyclic number.

It is not a de Polignac number, because 2340785 - 2⁴ = 2340769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2340787) by changing a digit.

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, 234074 + ... + 234083.

It is an arithmetic number, because the mean of its divisors is an integer number (702237).

2^2340785 is an apocalyptic number.

It is an amenable number.

2340785 is a deficient number, since it is larger than the sum of its proper divisors (468163).

2340785 is an equidigital number, since it uses as much as digits as its factorization.

2340785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468162.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 2340785 is about 1529.9624178391. The cubic root of 2340785 is about 132.7762835969.

It can be divided in two parts, 2340 and 785, that added together give a 5-th power (3125 = 5⁵).

The spelling of 2340785 in words is "two million, three hundred forty thousand, seven hundred eighty-five".