6480624 has 80 divisors (see below), whose sum is σ = 17811360. Its totient is φ = 2027520.

The previous prime is 6480613. The next prime is 6480631. The reversal of 6480624 is 4260846.

It is a junction number, because it is equal to n+sod(n) for n = 6480591 and 6480600.

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 15 ways as a sum of consecutive naturals, for example, 72772 + ... + 72860.

It is an arithmetic number, because the mean of its divisors is an integer number (222642).

Almost surely, 2^6480624 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 6480624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8905680).

6480624 is an abundant number, since it is smaller than the sum of its proper divisors (11330736).

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

6480624 is a wasteful number, since it uses less digits than its factorization.

6480624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 6480624 is about 2545.7069744965. The cubic root of 6480624 is about 186.4399344648.

The spelling of 6480624 in words is "six million, four hundred eighty thousand, six hundred twenty-four".