846385549 has 2 divisors, whose sum is σ = 846385550. Its totient is φ = 846385548.

The previous prime is 846385543. The next prime is 846385583. The reversal of 846385549 is 945583648.

846385549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426422500 + 419963049 = 20650^2 + 20493^2 .

It is a cyclic number.

It is not a de Polignac number, because 846385549 - 2¹¹ = 846383501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 846385496 and 846385505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (846385543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423192774 + 423192775.

It is an arithmetic number, because the mean of its divisors is an integer number (423192775).

Almost surely, 2^846385549 is an apocalyptic number.

It is an amenable number.

846385549 is a deficient number, since it is larger than the sum of its proper divisors (1).

846385549 is an equidigital number, since it uses as much as digits as its factorization.

846385549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4147200, while the sum is 52.

The square root of 846385549 is about 29092.7061133886. The cubic root of 846385549 is about 945.9236414193.

The spelling of 846385549 in words is "eight hundred forty-six million, three hundred eighty-five thousand, five hundred forty-nine".