6464217 has 12 divisors (see below), whose sum is σ = 8781680. Its totient is φ = 4229592.

The previous prime is 6464209. The next prime is 6464221. The reversal of 6464217 is 7124646.

It is not a de Polignac number, because 6464217 - 2³ = 6464209 is a prime.

It is a super-2 number, since 2×6464217² = 83572202846178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6464207) 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 11 ways as a sum of consecutive naturals, for example, 10134 + ... + 10752.

Almost surely, 2^6464217 is an apocalyptic number.

It is an amenable number.

6464217 is a deficient number, since it is larger than the sum of its proper divisors (2317463).

6464217 is an equidigital number, since it uses as much as digits as its factorization.

6464217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 681 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 6464217 is about 2542.4824483170. The cubic root of 6464217 is about 186.2824648001.

The spelling of 6464217 in words is "six million, four hundred sixty-four thousand, two hundred seventeen".