6328857 has 4 divisors (see below), whose sum is σ = 8438480. Its totient is φ = 4219236.

The previous prime is 6328853. The next prime is 6328877. The reversal of 6328857 is 7588236.

6328857 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 6328857 - 2² = 6328853 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6328853) 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, 1054807 + ... + 1054812.

It is an arithmetic number, because the mean of its divisors is an integer number (2109620).

Almost surely, 2^6328857 is an apocalyptic number.

It is an amenable number.

6328857 is a deficient number, since it is larger than the sum of its proper divisors (2109623).

6328857 is a wasteful number, since it uses less digits than its factorization.

6328857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109622.

The product of its digits is 80640, while the sum is 39.

The square root of 6328857 is about 2515.7219639698. The cubic root of 6328857 is about 184.9730372198.

It can be divided in two parts, 63 and 28857, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 6328857 in words is "six million, three hundred twenty-eight thousand, eight hundred fifty-seven".