6198197 has 4 divisors (see below), whose sum is σ = 6208236. Its totient is φ = 6188160.

The previous prime is 6198193. The next prime is 6198209. The reversal of 6198197 is 7918916.

It is a happy number.

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 2686321 + 3511876 = 1639^2 + 1874^2 .

It is a cyclic number.

It is not a de Polignac number, because 6198197 - 2² = 6198193 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 (6198193) 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, 4028 + ... + 5349.

It is an arithmetic number, because the mean of its divisors is an integer number (1552059).

Almost surely, 2^6198197 is an apocalyptic number.

It is an amenable number.

6198197 is a deficient number, since it is larger than the sum of its proper divisors (10039).

6198197 is an equidigital number, since it uses as much as digits as its factorization.

6198197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10038.

The product of its digits is 27216, while the sum is 41.

The square root of 6198197 is about 2489.6178421597. The cubic root of 6198197 is about 183.6912453488.

The spelling of 6198197 in words is "six million, one hundred ninety-eight thousand, one hundred ninety-seven".