1914197 has 2 divisors, whose sum is σ = 1914198. Its totient is φ = 1914196.

The previous prime is 1914179. The next prime is 1914239. The reversal of 1914197 is 7914191.

It is a happy number.

Together with previous prime (1914179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1164241 + 749956 = 1079^2 + 866^2 .

It is an emirp because it is prime and its reverse (7914191) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1914197 - 2⁸ = 1913941 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1914127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 957098 + 957099.

It is an arithmetic number, because the mean of its divisors is an integer number (957099).

2^1914197 is an apocalyptic number.

It is an amenable number.

1914197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1914197 is an equidigital number, since it uses as much as digits as its factorization.

1914197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 32.

The square root of 1914197 is about 1383.5450841949. The cubic root of 1914197 is about 124.1639567196.

The spelling of 1914197 in words is "one million, nine hundred fourteen thousand, one hundred ninety-seven".