841924397 has 2 divisors, whose sum is σ = 841924398. Its totient is φ = 841924396.

The previous prime is 841924373. The next prime is 841924417. The reversal of 841924397 is 793429148.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 837176356 + 4748041 = 28934^2 + 2179^2 .

It is a cyclic number.

It is not a de Polignac number, because 841924397 - 2²⁰ = 840875821 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 (841924367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420962198 + 420962199.

It is an arithmetic number, because the mean of its divisors is an integer number (420962199).

Almost surely, 2^841924397 is an apocalyptic number.

It is an amenable number.

841924397 is a deficient number, since it is larger than the sum of its proper divisors (1).

841924397 is an equidigital number, since it uses as much as digits as its factorization.

841924397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 47.

The square root of 841924397 is about 29015.9335021295. The cubic root of 841924397 is about 944.2587795550.

The spelling of 841924397 in words is "eight hundred forty-one million, nine hundred twenty-four thousand, three hundred ninety-seven".