841194397 has 2 divisors, whose sum is σ = 841194398. Its totient is φ = 841194396.

The previous prime is 841194373. The next prime is 841194407. The reversal of 841194397 is 793491148.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 567821241 + 273373156 = 23829^2 + 16534^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-841194397 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 (841194317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420597198 + 420597199.

It is an arithmetic number, because the mean of its divisors is an integer number (420597199).

Almost surely, 2^841194397 is an apocalyptic number.

It is an amenable number.

841194397 is a deficient number, since it is larger than the sum of its proper divisors (1).

841194397 is an equidigital number, since it uses as much as digits as its factorization.

841194397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 46.

The square root of 841194397 is about 29003.3514787516. The cubic root of 841194397 is about 943.9857905820.

The spelling of 841194397 in words is "eight hundred forty-one million, one hundred ninety-four thousand, three hundred ninety-seven".