6389329 has 4 divisors (see below), whose sum is σ = 6417460. Its totient is φ = 6361200.

The previous prime is 6389303. The next prime is 6389333. The reversal of 6389329 is 9239836.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5870929 + 518400 = 2423^2 + 720^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6389329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6389291 and 6389300.

It is not an unprimeable number, because it can be changed into a prime (6389629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13722 + ... + 14179.

It is an arithmetic number, because the mean of its divisors is an integer number (1604365).

Almost surely, 2^6389329 is an apocalyptic number.

It is an amenable number.

6389329 is a deficient number, since it is larger than the sum of its proper divisors (28131).

6389329 is a wasteful number, since it uses less digits than its factorization.

6389329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28130.

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

The square root of 6389329 is about 2527.7122067197. The cubic root of 6389329 is about 185.5603076194.

The spelling of 6389329 in words is "six million, three hundred eighty-nine thousand, three hundred twenty-nine".