6485647 has 16 divisors (see below), whose sum is σ = 7856640. Its totient is φ = 5235552.

The previous prime is 6485629. The next prime is 6485657. The reversal of 6485647 is 7465846.

It is not a de Polignac number, because 6485647 - 2¹¹ = 6483599 is a prime.

It is a Duffinian number.

6485647 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6485657) 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, 8358 + ... + 9100.

It is an arithmetic number, because the mean of its divisors is an integer number (491040).

Almost surely, 2^6485647 is an apocalyptic number.

6485647 is a deficient number, since it is larger than the sum of its proper divisors (1370993).

6485647 is a wasteful number, since it uses less digits than its factorization.

6485647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822.

The product of its digits is 161280, while the sum is 40.

The square root of 6485647 is about 2546.6933462826. The cubic root of 6485647 is about 186.4880906271.

The spelling of 6485647 in words is "six million, four hundred eighty-five thousand, six hundred forty-seven".