6469647 has 8 divisors (see below), whose sum is σ = 9001344. Its totient is φ = 4125528.

The previous prime is 6469637. The next prime is 6469649. The reversal of 6469647 is 7469646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6469647 - 2⁸ = 6469391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6469599 and 6469608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6469649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46813 + ... + 46950.

It is an arithmetic number, because the mean of its divisors is an integer number (1125168).

Almost surely, 2^6469647 is an apocalyptic number.

6469647 is a deficient number, since it is larger than the sum of its proper divisors (2531697).

6469647 is a wasteful number, since it uses less digits than its factorization.

6469647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93789.

The product of its digits is 217728, while the sum is 42.

The square root of 6469647 is about 2543.5500781388. The cubic root of 6469647 is about 186.3346098466.

Subtracting 6469647 from its reverse (7469646), we obtain a palindrome (999999).

The spelling of 6469647 in words is "six million, four hundred sixty-nine thousand, six hundred forty-seven".