6465648 has 60 divisors (see below), whose sum is σ = 19437000. Its totient is φ = 1846656.

The previous prime is 6465623. The next prime is 6465653. The reversal of 6465648 is 8465646.

It is a super-3 number, since 3×6465648³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 978 + ... + 3726.

It is an arithmetic number, because the mean of its divisors is an integer number (323950).

Almost surely, 2^6465648 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 6465648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9718500).

6465648 is an abundant number, since it is smaller than the sum of its proper divisors (12971352).

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

6465648 is a wasteful number, since it uses less digits than its factorization.

6465648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774 (or 2761 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 6465648 is about 2542.7638506161. The cubic root of 6465648 is about 186.2962097254.

The spelling of 6465648 in words is "six million, four hundred sixty-five thousand, six hundred forty-eight".