6343605 has 24 divisors (see below), whose sum is σ = 11377080. Its totient is φ = 3265920.

The previous prime is 6343591. The next prime is 6343609. The reversal of 6343605 is 5063436.

6343605 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1920996 + 4422609 = 1386^2 + 2103^2 .

It is not a de Polignac number, because 6343605 - 2¹⁷ = 6212533 is a prime.

It is a Curzon number.

6343605 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6343609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1126 + ... + 3735.

It is an arithmetic number, because the mean of its divisors is an integer number (474045).

Almost surely, 2^6343605 is an apocalyptic number.

It is an amenable number.

6343605 is a deficient number, since it is larger than the sum of its proper divisors (5033475).

6343605 is a wasteful number, since it uses less digits than its factorization.

6343605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4901 (or 4898 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 6343605 is about 2518.6514248701. The cubic root of 6343605 is about 185.1166053293.

The spelling of 6343605 in words is "six million, three hundred forty-three thousand, six hundred five".