841194405 has 12 divisors (see below), whose sum is σ = 1458070380. Its totient is φ = 448636992.

The previous prime is 841194397. The next prime is 841194407. The reversal of 841194405 is 504491148.

841194405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 628705476 + 212488929 = 25074^2 + 14577^2 .

It is not a de Polignac number, because 841194405 - 2³ = 841194397 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 841194405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (841194407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9346560 + ... + 9346649.

It is an arithmetic number, because the mean of its divisors is an integer number (121505865).

Almost surely, 2^841194405 is an apocalyptic number.

It is an amenable number.

841194405 is a deficient number, since it is larger than the sum of its proper divisors (616875975).

841194405 is a wasteful number, since it uses less digits than its factorization.

841194405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18693220 (or 18693217 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 841194405 is about 29003.3516166667. The cubic root of 841194405 is about 943.9857935745.

The spelling of 841194405 in words is "eight hundred forty-one million, one hundred ninety-four thousand, four hundred five".