605440343 has 4 divisors (see below), whose sum is σ = 607796400. Its totient is φ = 603084288.

The previous prime is 605440331. The next prime is 605440357. The reversal of 605440343 is 343044506.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 605440343 - 2¹⁶ = 605374807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605440313) 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, 1177643 + ... + 1178156.

It is an arithmetic number, because the mean of its divisors is an integer number (151949100).

Almost surely, 2^605440343 is an apocalyptic number.

605440343 is a deficient number, since it is larger than the sum of its proper divisors (2356057).

605440343 is a wasteful number, since it uses less digits than its factorization.

605440343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2356056.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 605440343 is about 24605.6973686990. The cubic root of 605440343 is about 845.9742008053.

Adding to 605440343 its reverse (343044506), we get a palindrome (948484849).

The spelling of 605440343 in words is "six hundred five million, four hundred forty thousand, three hundred forty-three".