6480432 has 80 divisors (see below), whose sum is σ = 21268480. Its totient is φ = 1850688.

The previous prime is 6480421. The next prime is 6480491. The reversal of 6480432 is 2340846.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6480396 and 6480405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1953 + ... + 4095.

It is an arithmetic number, because the mean of its divisors is an integer number (265856).

Almost surely, 2^6480432 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 6480432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10634240).

6480432 is an abundant number, since it is smaller than the sum of its proper divisors (14788048).

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

6480432 is a wasteful number, since it uses less digits than its factorization.

6480432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2167 (or 2155 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 6480432 is about 2545.6692636711. The cubic root of 6480432 is about 186.4380932418.

The spelling of 6480432 in words is "six million, four hundred eighty thousand, four hundred thirty-two".