6497847 has 16 divisors (see below), whose sum is σ = 9792000. Its totient is φ = 4257432.

The previous prime is 6497837. The next prime is 6497851. The reversal of 6497847 is 7487946.

6497847 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6497847 - 2⁴ = 6497831 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6497807) 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, 447 + ... + 3632.

It is an arithmetic number, because the mean of its divisors is an integer number (612000).

Almost surely, 2^6497847 is an apocalyptic number.

6497847 is a deficient number, since it is larger than the sum of its proper divisors (3294153).

6497847 is a wasteful number, since it uses less digits than its factorization.

6497847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147 (or 4141 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 6497847 is about 2549.0874837871. The cubic root of 6497847 is about 186.6049501897.

Subtracting 6497847 from its reverse (7487946), we obtain a palindrome (990099).

It can be divided in two parts, 64978 and 47, that added together give a square (65025 = 255²).

The spelling of 6497847 in words is "six million, four hundred ninety-seven thousand, eight hundred forty-seven".