863396329 has 2 divisors, whose sum is σ = 863396330. Its totient is φ = 863396328.

The previous prime is 863396311. The next prime is 863396377. The reversal of 863396329 is 923693368.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 559417104 + 303979225 = 23652^2 + 17435^2 .

It is a cyclic number.

It is not a de Polignac number, because 863396329 - 2⁷ = 863396201 is a prime.

It is not a weakly prime, because it can be changed into another prime (863396389) 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, 431698164 + 431698165.

It is an arithmetic number, because the mean of its divisors is an integer number (431698165).

Almost surely, 2^863396329 is an apocalyptic number.

It is an amenable number.

863396329 is a deficient number, since it is larger than the sum of its proper divisors (1).

863396329 is an equidigital number, since it uses as much as digits as its factorization.

863396329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1259712, while the sum is 49.

The square root of 863396329 is about 29383.6064668720. The cubic root of 863396329 is about 952.2187582074.

The spelling of 863396329 in words is "eight hundred sixty-three million, three hundred ninety-six thousand, three hundred twenty-nine".