2343805 has 4 divisors (see below), whose sum is σ = 2812572. Its totient is φ = 1875040.

The previous prime is 2343799. The next prime is 2343833. The reversal of 2343805 is 5083432.

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 1028196 + 1315609 = 1014^2 + 1147^2 .

It is not a de Polignac number, because 2343805 - 2⁹ = 2343293 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2343805.

It is a congruent number.

It is an unprimeable number.

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, 234376 + ... + 234385.

It is an arithmetic number, because the mean of its divisors is an integer number (703143).

2^2343805 is an apocalyptic number.

It is an amenable number.

2343805 is a deficient number, since it is larger than the sum of its proper divisors (468767).

2343805 is an equidigital number, since it uses as much as digits as its factorization.

2343805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468766.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2343805 is about 1530.9490520589. The cubic root of 2343805 is about 132.8333601836.

The spelling of 2343805 in words is "two million, three hundred forty-three thousand, eight hundred five".