6486747 has 4 divisors (see below), whose sum is σ = 8649000. Its totient is φ = 4324496.

The previous prime is 6486737. The next prime is 6486751. The reversal of 6486747 is 7476846.

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

It is a cyclic number.

It is not a de Polignac number, because 6486747 - 2¹⁶ = 6421211 is a prime.

It is a D-number.

6486747 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6486699 and 6486708.

It is not an unprimeable number, because it can be changed into a prime (6486737) 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, 1081122 + ... + 1081127.

It is an arithmetic number, because the mean of its divisors is an integer number (2162250).

Almost surely, 2^6486747 is an apocalyptic number.

6486747 is a deficient number, since it is larger than the sum of its proper divisors (2162253).

6486747 is a wasteful number, since it uses less digits than its factorization.

6486747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2162252.

The product of its digits is 225792, while the sum is 42.

The square root of 6486747 is about 2546.9093034500. The cubic root of 6486747 is about 186.4986331530.

Subtracting 6486747 from its reverse (7476846), we obtain a palindrome (990099).

The spelling of 6486747 in words is "six million, four hundred eighty-six thousand, seven hundred forty-seven".