6828287 has 4 divisors (see below), whose sum is σ = 6862800. Its totient is φ = 6793776.

The previous prime is 6828259. The next prime is 6828293. The reversal of 6828287 is 7828286.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7828286 = 2 ⋅3914143.

It is a cyclic number.

It is not a de Polignac number, because 6828287 - 2¹⁶ = 6762751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6828187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16958 + ... + 17355.

It is an arithmetic number, because the mean of its divisors is an integer number (1715700).

Almost surely, 2^6828287 is an apocalyptic number.

6828287 is a deficient number, since it is larger than the sum of its proper divisors (34513).

6828287 is a wasteful number, since it uses less digits than its factorization.

6828287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34512.

The product of its digits is 86016, while the sum is 41.

The square root of 6828287 is about 2613.0991179058. The cubic root of 6828287 is about 189.7159837834.

Subtracting 6828287 from its reverse (7828286), we obtain a palindrome (999999).

The spelling of 6828287 in words is "six million, eight hundred twenty-eight thousand, two hundred eighty-seven".