846395399 has 2 divisors, whose sum is σ = 846395400. Its totient is φ = 846395398.

The previous prime is 846395369. The next prime is 846395419. The reversal of 846395399 is 993593648.

846395399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 846395399 - 2²⁰ = 845346823 is a prime.

It is a super-3 number, since 3×846395399³ (a number of 28 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (846395339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 423197699 + 423197700.

It is an arithmetic number, because the mean of its divisors is an integer number (423197700).

Almost surely, 2^846395399 is an apocalyptic number.

846395399 is a deficient number, since it is larger than the sum of its proper divisors (1).

846395399 is an equidigital number, since it uses as much as digits as its factorization.

846395399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6298560, while the sum is 56.

The square root of 846395399 is about 29092.8753993138. The cubic root of 846395399 is about 945.9273108706.

The spelling of 846395399 in words is "eight hundred forty-six million, three hundred ninety-five thousand, three hundred ninety-nine".