6464481 has 8 divisors (see below), whose sum is σ = 8633184. Its totient is φ = 4302720.

The previous prime is 6464431. The next prime is 6464483. The reversal of 6464481 is 1844646.

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

It is not a de Polignac number, because 6464481 - 2⁹ = 6463969 is a prime.

It is a super-2 number, since 2×6464481² = 83579029198722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (6464483) 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, 1105 + ... + 3761.

It is an arithmetic number, because the mean of its divisors is an integer number (1079148).

Almost surely, 2^6464481 is an apocalyptic number.

It is an amenable number.

6464481 is a deficient number, since it is larger than the sum of its proper divisors (2168703).

6464481 is a wasteful number, since it uses less digits than its factorization.

6464481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471.

The product of its digits is 18432, while the sum is 33.

The square root of 6464481 is about 2542.5343655495. The cubic root of 6464481 is about 186.2850007041.

The spelling of 6464481 in words is "six million, four hundred sixty-four thousand, four hundred eighty-one".