846319399 has 2 divisors, whose sum is σ = 846319400. Its totient is φ = 846319398.

The previous prime is 846319393. The next prime is 846319433. The reversal of 846319399 is 993913648.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 846319399 - 2³ = 846319391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (846319391) 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, 423159699 + 423159700.

It is an arithmetic number, because the mean of its divisors is an integer number (423159700).

Almost surely, 2^846319399 is an apocalyptic number.

846319399 is a deficient number, since it is larger than the sum of its proper divisors (1).

846319399 is an equidigital number, since it uses as much as digits as its factorization.

846319399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1259712, while the sum is 52.

The square root of 846319399 is about 29091.5692082775. The cubic root of 846319399 is about 945.8989976151.

The spelling of 846319399 in words is "eight hundred forty-six million, three hundred nineteen thousand, three hundred ninety-nine".