6682387 has 4 divisors (see below), whose sum is σ = 6757560. Its totient is φ = 6607216.

The previous prime is 6682369. The next prime is 6682393. The reversal of 6682387 is 7832866.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7832866 = 2 ⋅3916433.

It is a cyclic number.

It is not a de Polignac number, because 6682387 - 2¹¹ = 6680339 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6682327) 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, 37453 + ... + 37630.

It is an arithmetic number, because the mean of its divisors is an integer number (1689390).

Almost surely, 2^6682387 is an apocalyptic number.

6682387 is a deficient number, since it is larger than the sum of its proper divisors (75173).

6682387 is an equidigital number, since it uses as much as digits as its factorization.

6682387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75172.

The product of its digits is 96768, while the sum is 40.

The square root of 6682387 is about 2585.0313344329. The cubic root of 6682387 is about 188.3550236502.

The spelling of 6682387 in words is "six million, six hundred eighty-two thousand, three hundred eighty-seven".