6328429 has 4 divisors (see below), whose sum is σ = 6333660. Its totient is φ = 6323200.

The previous prime is 6328411. The next prime is 6328459. The reversal of 6328429 is 9248236.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1368900 + 4959529 = 1170^2 + 2227^2 .

It is a cyclic number.

It is not a de Polignac number, because 6328429 - 2¹¹ = 6326381 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6328394 and 6328403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6328459) 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, 237 + ... + 3565.

It is an arithmetic number, because the mean of its divisors is an integer number (1583415).

Almost surely, 2^6328429 is an apocalyptic number.

It is an amenable number.

6328429 is a deficient number, since it is larger than the sum of its proper divisors (5231).

6328429 is a wasteful number, since it uses less digits than its factorization.

6328429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5230.

The product of its digits is 20736, while the sum is 34.

The square root of 6328429 is about 2515.6368974874. The cubic root of 6328429 is about 184.9688674176.

The spelling of 6328429 in words is "six million, three hundred twenty-eight thousand, four hundred twenty-nine".