8197205 has 8 divisors (see below), whose sum is σ = 9853272. Its totient is φ = 6546688.

The previous prime is 8197201. The next prime is 8197271. The reversal of 8197205 is 5027918.

It can be written as a sum of positive squares in 4 ways, for example, as 4104676 + 4092529 = 2026^2 + 2023^2 .

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 8197205 - 2² = 8197201 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 (8197201) 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, 3329 + ... + 5241.

It is an arithmetic number, because the mean of its divisors is an integer number (1231659).

Almost surely, 2^8197205 is an apocalyptic number.

It is an amenable number.

8197205 is a deficient number, since it is larger than the sum of its proper divisors (1656067).

8197205 is a wasteful number, since it uses less digits than its factorization.

8197205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 8197205 is about 2863.0761428925. The cubic root of 8197205 is about 201.6300535343.

The spelling of 8197205 in words is "eight million, one hundred ninety-seven thousand, two hundred five".