2320705 has 4 divisors (see below), whose sum is σ = 2784852. Its totient is φ = 1856560.

The previous prime is 2320699. The next prime is 2320709. The reversal of 2320705 is 5070232.

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 341056 + 1979649 = 584^2 + 1407^2 .

It is not a de Polignac number, because 2320705 - 2³ = 2320697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2320709) 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, 232066 + ... + 232075.

It is an arithmetic number, because the mean of its divisors is an integer number (696213).

2^2320705 is an apocalyptic number.

It is an amenable number.

2320705 is a deficient number, since it is larger than the sum of its proper divisors (464147).

2320705 is an equidigital number, since it uses as much as digits as its factorization.

2320705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464146.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 2320705 is about 1523.3860311819. The cubic root of 2320705 is about 132.3955269981.

Adding to 2320705 its reverse (5070232), we get a palindrome (7390937).

It can be divided in two parts, 2320 and 705, that added together give a square (3025 = 55²).

The spelling of 2320705 in words is "two million, three hundred twenty thousand, seven hundred five".