4340605 has 4 divisors (see below), whose sum is σ = 5208732. Its totient is φ = 3472480.

The previous prime is 4340599. The next prime is 4340621. The reversal of 4340605 is 5060434.

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 962361 + 3378244 = 981^2 + 1838^2 .

It is not a de Polignac number, because 4340605 - 2⁵ = 4340573 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434056 + ... + 434065.

It is an arithmetic number, because the mean of its divisors is an integer number (1302183).

Almost surely, 2^4340605 is an apocalyptic number.

It is an amenable number.

4340605 is a deficient number, since it is larger than the sum of its proper divisors (868127).

4340605 is an equidigital number, since it uses as much as digits as its factorization.

4340605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868126.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 4340605 is about 2083.4118651865. The cubic root of 4340605 is about 163.1235842471.

The spelling of 4340605 in words is "four million, three hundred forty thousand, six hundred five".