6480420 has 24 divisors (see below), whose sum is σ = 18145344. Its totient is φ = 1728096.

The previous prime is 6480413. The next prime is 6480421. The reversal of 6480420 is 240846.

It is not an unprimeable number, because it can be changed into a prime (6480421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53944 + ... + 54063.

It is an arithmetic number, because the mean of its divisors is an integer number (756056).

Almost surely, 2^6480420 is an apocalyptic number.

6480420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6480420 is an abundant number, since it is smaller than the sum of its proper divisors (11664924).

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

6480420 is a wasteful number, since it uses less digits than its factorization.

6480420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108019 (or 108017 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 6480420 is about 2545.6669067260. Note that the first 3 decimals coincide. The cubic root of 6480420 is about 186.4379781642.

The spelling of 6480420 in words is "six million, four hundred eighty thousand, four hundred twenty".