6469947 has 12 divisors (see below), whose sum is σ = 10195224. Its totient is φ = 3921120.

The previous prime is 6469943. The next prime is 6469949. The reversal of 6469947 is 7499646.

It is not a de Polignac number, because 6469947 - 2² = 6469943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6469943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32578 + ... + 32775.

It is an arithmetic number, because the mean of its divisors is an integer number (849602).

Almost surely, 2^6469947 is an apocalyptic number.

6469947 is a deficient number, since it is larger than the sum of its proper divisors (3725277).

6469947 is a wasteful number, since it uses less digits than its factorization.

6469947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65370 (or 65367 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 6469947 is about 2543.6090501490. The cubic root of 6469947 is about 186.3374899378.

It can be divided in two parts, 64699 and 47, that added together give a palindrome (64746).

The spelling of 6469947 in words is "six million, four hundred sixty-nine thousand, nine hundred forty-seven".