341991197 has 2 divisors, whose sum is σ = 341991198. Its totient is φ = 341991196.

The previous prime is 341991179. The next prime is 341991257. The reversal of 341991197 is 791199143.

It is a happy number.

Together with previous prime (341991179) 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., 279090436 + 62900761 = 16706^2 + 7931^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-341991197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (341991107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170995598 + 170995599.

It is an arithmetic number, because the mean of its divisors is an integer number (170995599).

Almost surely, 2^341991197 is an apocalyptic number.

It is an amenable number.

341991197 is a deficient number, since it is larger than the sum of its proper divisors (1).

341991197 is an equidigital number, since it uses as much as digits as its factorization.

341991197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61236, while the sum is 44.

The square root of 341991197 is about 18493.0040015137. The cubic root of 341991197 is about 699.3130655635.

The spelling of 341991197 in words is "three hundred forty-one million, nine hundred ninety-one thousand, one hundred ninety-seven".