1968197 has 8 divisors (see below), whose sum is σ = 2453952. Its totient is φ = 1533600.

The previous prime is 1968193. The next prime is 1968199. The reversal of 1968197 is 7918691.

It is a happy number.

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 1968197 - 2² = 1968193 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 (1968193) 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, 12704 + ... + 12857.

It is an arithmetic number, because the mean of its divisors is an integer number (306744).

2^1968197 is an apocalyptic number.

It is an amenable number.

1968197 is a deficient number, since it is larger than the sum of its proper divisors (485755).

1968197 is a wasteful number, since it uses less digits than its factorization.

1968197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25579.

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

The square root of 1968197 is about 1402.9244455779. The cubic root of 1968197 is about 125.3207124445.

The spelling of 1968197 in words is "one million, nine hundred sixty-eight thousand, one hundred ninety-seven".