2108197 has 8 divisors (see below), whose sum is σ = 2594816. Its totient is φ = 1667952.

The previous prime is 2108177. The next prime is 2108231. The reversal of 2108197 is 7918012.

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

It is not a de Polignac number, because 2108197 - 2¹¹ = 2106149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108137) 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, 11493 + ... + 11674.

It is an arithmetic number, because the mean of its divisors is an integer number (324352).

2^2108197 is an apocalyptic number.

It is an amenable number.

2108197 is a deficient number, since it is larger than the sum of its proper divisors (486619).

2108197 is a wasteful number, since it uses less digits than its factorization.

2108197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23187.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 2108197 is about 1451.9631538025. The cubic root of 2108197 is about 128.2243177577.

The spelling of 2108197 in words is "two million, one hundred eight thousand, one hundred ninety-seven".