6405080 has 32 divisors (see below), whose sum is σ = 15722640. Its totient is φ = 2328960.

The previous prime is 6405079. The next prime is 6405089. The reversal of 6405080 is 805046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6405089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6839 + ... + 7718.

Almost surely, 2^6405080 is an apocalyptic number.

It is an amenable number.

6405080 is an abundant number, since it is smaller than the sum of its proper divisors (9317560).

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

6405080 is a wasteful number, since it uses less digits than its factorization.

6405080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14579 (or 14575 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 6405080 is about 2530.8259521350. The cubic root of 6405080 is about 185.7126638348.

The spelling of 6405080 in words is "six million, four hundred five thousand, eighty".