6460880 has 20 divisors (see below), whose sum is σ = 15021732. Its totient is φ = 2584320.

The previous prime is 6460873. The next prime is 6460891. The reversal of 6460880 is 880646.

It can be written as a sum of positive squares in 2 ways, for example, as 1915456 + 4545424 = 1384^2 + 2132^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40301 + ... + 40460.

Almost surely, 2^6460880 is an apocalyptic number.

It is an amenable number.

6460880 is an abundant number, since it is smaller than the sum of its proper divisors (8560852).

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

6460880 is a wasteful number, since it uses less digits than its factorization.

6460880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80774 (or 80768 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 6460880 is about 2541.8261152172. The cubic root of 6460880 is about 186.2504046355.

The spelling of 6460880 in words is "six million, four hundred sixty thousand, eight hundred eighty".