6398329 has 4 divisors (see below), whose sum is σ = 7312384. Its totient is φ = 5484276.

The previous prime is 6398317. The next prime is 6398339. The reversal of 6398329 is 9238936.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6398329 - 2⁵ = 6398297 is a prime.

It is a super-2 number, since 2×6398329² = 81877227984482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6398291 and 6398300.

It is not an unprimeable number, because it can be changed into a prime (6398339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457017 + ... + 457030.

It is an arithmetic number, because the mean of its divisors is an integer number (1828096).

Almost surely, 2^6398329 is an apocalyptic number.

It is an amenable number.

6398329 is a deficient number, since it is larger than the sum of its proper divisors (914055).

6398329 is an equidigital number, since it uses as much as digits as its factorization.

6398329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914054.

The product of its digits is 69984, while the sum is 40.

The square root of 6398329 is about 2529.4918462015. The cubic root of 6398329 is about 185.6473934069.

The spelling of 6398329 in words is "six million, three hundred ninety-eight thousand, three hundred twenty-nine".