8243605 has 8 divisors (see below), whose sum is σ = 9988992. Its totient is φ = 6530448.

The previous prime is 8243603. The next prime is 8243611. The reversal of 8243605 is 5063428.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8243605 - 2¹ = 8243603 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 (8243603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7489 + ... + 8518.

It is an arithmetic number, because the mean of its divisors is an integer number (1248624).

Almost surely, 2^8243605 is an apocalyptic number.

It is an amenable number.

8243605 is a deficient number, since it is larger than the sum of its proper divisors (1745387).

8243605 is a wasteful number, since it uses less digits than its factorization.

8243605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16115.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 8243605 is about 2871.1678808457. The cubic root of 8243605 is about 202.0097779798.

The spelling of 8243605 in words is "eight million, two hundred forty-three thousand, six hundred five".