6460664 has 32 divisors (see below), whose sum is σ = 14171520. Its totient is φ = 2703456.

The previous prime is 6460651. The next prime is 6460673. The reversal of 6460664 is 4660646.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6460664.

It is a congruent number.

It is an unprimeable number.

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, 1067 + ... + 3749.

It is an arithmetic number, because the mean of its divisors is an integer number (442860).

Almost surely, 2^6460664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6460664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7085760).

6460664 is an abundant number, since it is smaller than the sum of its proper divisors (7710856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6460664 is a wasteful number, since it uses less digits than its factorization.

6460664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2739 (or 2735 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 6460664 is about 2541.7836257243. The cubic root of 6460664 is about 186.2483290393.

The spelling of 6460664 in words is "six million, four hundred sixty thousand, six hundred sixty-four".