8205493 has 4 divisors (see below), whose sum is σ = 8309440. Its totient is φ = 8101548.

The previous prime is 8205487. The next prime is 8205497. The reversal of 8205493 is 3945028.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8205493 - 2¹⁷ = 8074421 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 (8205497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51855 + ... + 52012.

It is an arithmetic number, because the mean of its divisors is an integer number (2077360).

Almost surely, 2^8205493 is an apocalyptic number.

It is an amenable number.

8205493 is a deficient number, since it is larger than the sum of its proper divisors (103947).

8205493 is a wasteful number, since it uses less digits than its factorization.

8205493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103946.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 8205493 is about 2864.5231714895. The cubic root of 8205493 is about 201.6979851033.

The spelling of 8205493 in words is "eight million, two hundred five thousand, four hundred ninety-three".