6830287 has 4 divisors (see below), whose sum is σ = 7127280. Its totient is φ = 6533296.

The previous prime is 6830273. The next prime is 6830297. The reversal of 6830287 is 7820386.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6830287 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 (6830227) 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, 148462 + ... + 148507.

It is an arithmetic number, because the mean of its divisors is an integer number (1781820).

Almost surely, 2^6830287 is an apocalyptic number.

6830287 is a deficient number, since it is larger than the sum of its proper divisors (296993).

6830287 is a wasteful number, since it uses less digits than its factorization.

6830287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296992.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 6830287 is about 2613.4817772466. The cubic root of 6830287 is about 189.7345045304.

Subtracting 6830287 from its reverse (7820386), we obtain a palindrome (990099).

It can be divided in two parts, 6830 and 287, that added together give a palindrome (7117).

The spelling of 6830287 in words is "six million, eight hundred thirty thousand, two hundred eighty-seven".