2343905 has 4 divisors (see below), whose sum is σ = 2812692. Its totient is φ = 1875120.

The previous prime is 2343899. The next prime is 2343917. The reversal of 2343905 is 5093432.

2343905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1437601 + 906304 = 1199^2 + 952^2 .

It is not a de Polignac number, because 2343905 - 2⁴ = 2343889 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 234386 + ... + 234395.

It is an arithmetic number, because the mean of its divisors is an integer number (703173).

2^2343905 is an apocalyptic number.

It is an amenable number.

2343905 is a deficient number, since it is larger than the sum of its proper divisors (468787).

2343905 is an equidigital number, since it uses as much as digits as its factorization.

2343905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468786.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 2343905 is about 1530.9817111906. The cubic root of 2343905 is about 132.8352492980.

The spelling of 2343905 in words is "two million, three hundred forty-three thousand, nine hundred five".