8240197 has 4 divisors (see below), whose sum is σ = 9417376. Its totient is φ = 7063020.

The previous prime is 8240179. The next prime is 8240213. The reversal of 8240197 is 7910428.

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 8240197 - 2¹⁵ = 8207429 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 (8240797) 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, 588579 + ... + 588592.

It is an arithmetic number, because the mean of its divisors is an integer number (2354344).

Almost surely, 2^8240197 is an apocalyptic number.

It is an amenable number.

8240197 is a deficient number, since it is larger than the sum of its proper divisors (1177179).

8240197 is a wasteful number, since it uses less digits than its factorization.

8240197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177178.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 8240197 is about 2870.5743327773. The cubic root of 8240197 is about 201.9819364300.

The spelling of 8240197 in words is "eight million, two hundred forty thousand, one hundred ninety-seven".