798197 has 2 divisors, whose sum is σ = 798198. Its totient is φ = 798196.

The previous prime is 798191. The next prime is 798199. The reversal of 798197 is 791897.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 421201 + 376996 = 649^2 + 614^2 .

It is an emirp because it is prime and its reverse (791897) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-798197 is a prime.

Together with 798199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (798191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399098 + 399099.

It is an arithmetic number, because the mean of its divisors is an integer number (399099).

2⁷⁹⁸¹⁹⁷ is an apocalyptic number.

It is an amenable number.

798197 is a deficient number, since it is larger than the sum of its proper divisors (1).

798197 is an equidigital number, since it uses as much as digits as its factorization.

798197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31752, while the sum is 41.

The square root of 798197 is about 893.4187148252. The cubic root of 798197 is about 92.7619843423.

The spelling of 798197 in words is "seven hundred ninety-eight thousand, one hundred ninety-seven".