846409159 has 2 divisors, whose sum is σ = 846409160. Its totient is φ = 846409158.

The previous prime is 846409147. The next prime is 846409219. The reversal of 846409159 is 951904648.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 846409159 - 2⁵ = 846409127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (846409259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423204579 + 423204580.

It is an arithmetic number, because the mean of its divisors is an integer number (423204580).

Almost surely, 2^846409159 is an apocalyptic number.

846409159 is a deficient number, since it is larger than the sum of its proper divisors (1).

846409159 is an equidigital number, since it uses as much as digits as its factorization.

846409159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 846409159 is about 29093.1118823683. Note that the first 3 decimals coincide. The cubic root of 846409159 is about 945.9324368788.

The spelling of 846409159 in words is "eight hundred forty-six million, four hundred nine thousand, one hundred fifty-nine".