6828387 has 16 divisors (see below), whose sum is σ = 9426432. Its totient is φ = 4393440.

The previous prime is 6828383. The next prime is 6828389. The reversal of 6828387 is 7838286.

6828387 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6828387 - 2² = 6828383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6828383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25062 + ... + 25332.

It is an arithmetic number, because the mean of its divisors is an integer number (589152).

Almost surely, 2^6828387 is an apocalyptic number.

6828387 is a deficient number, since it is larger than the sum of its proper divisors (2598045).

6828387 is a wasteful number, since it uses less digits than its factorization.

6828387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538.

The product of its digits is 129024, while the sum is 42.

The square root of 6828387 is about 2613.1182522037. The cubic root of 6828387 is about 189.7169099066.

The spelling of 6828387 in words is "six million, eight hundred twenty-eight thousand, three hundred eighty-seven".