836342197 has 2 divisors, whose sum is σ = 836342198. Its totient is φ = 836342196.

The previous prime is 836342161. The next prime is 836342201. The reversal of 836342197 is 791243638.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 825642756 + 10699441 = 28734^2 + 3271^2 .

It is a cyclic number.

It is not a de Polignac number, because 836342197 - 2⁷ = 836342069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (836342137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418171098 + 418171099.

It is an arithmetic number, because the mean of its divisors is an integer number (418171099).

Almost surely, 2^836342197 is an apocalyptic number.

It is an amenable number.

836342197 is a deficient number, since it is larger than the sum of its proper divisors (1).

836342197 is an equidigital number, since it uses as much as digits as its factorization.

836342197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 836342197 is about 28919.5815495315. The cubic root of 836342197 is about 942.1672481442.

The spelling of 836342197 in words is "eight hundred thirty-six million, three hundred forty-two thousand, one hundred ninety-seven".