6485280 has 96 divisors (see below), whose sum is σ = 20865600. Its totient is φ = 1692672.

The previous prime is 6485261. The next prime is 6485291. The reversal of 6485280 is 825846.

It is a tau number, because it is divible by the number of its divisors (96).

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, 28206 + ... + 28434.

It is an arithmetic number, because the mean of its divisors is an integer number (217350).

Almost surely, 2^6485280 is an apocalyptic number.

6485280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6485280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10432800).

6485280 is an abundant number, since it is smaller than the sum of its proper divisors (14380320).

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

6485280 is a wasteful number, since it uses less digits than its factorization.

6485280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 6485280 is about 2546.6212910443. The cubic root of 6485280 is about 186.4845729919.

The spelling of 6485280 in words is "six million, four hundred eighty-five thousand, two hundred eighty".