8343605 has 4 divisors (see below), whose sum is σ = 10012332. Its totient is φ = 6674880.

The previous prime is 8343593. The next prime is 8343613. The reversal of 8343605 is 5063438.

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 2745649 + 5597956 = 1657^2 + 2366^2 .

It is not a de Polignac number, because 8343605 - 2⁴ = 8343589 is a prime.

It is a Duffinian number.

It is a Curzon 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, 834356 + ... + 834365.

It is an arithmetic number, because the mean of its divisors is an integer number (2503083).

Almost surely, 2^8343605 is an apocalyptic number.

It is an amenable number.

8343605 is a deficient number, since it is larger than the sum of its proper divisors (1668727).

8343605 is a wasteful number, since it uses less digits than its factorization.

8343605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668726.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 8343605 is about 2888.5299029091. The cubic root of 8343605 is about 202.8233314530.

The spelling of 8343605 in words is "eight million, three hundred forty-three thousand, six hundred five".