6530404 has 12 divisors (see below), whose sum is σ = 11495484. Its totient is φ = 3245984.

The previous prime is 6530401. The next prime is 6530417. The reversal of 6530404 is 4040356.

It can be written as a sum of positive squares in 2 ways, for example, as 4972900 + 1557504 = 2230^2 + 1248^2 .

It is not an unprimeable number, because it can be changed into a prime (6530401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4027 + ... + 5410.

It is an arithmetic number, because the mean of its divisors is an integer number (957957).

Almost surely, 2^6530404 is an apocalyptic number.

It is an amenable number.

6530404 is a deficient number, since it is larger than the sum of its proper divisors (4965080).

6530404 is a wasteful number, since it uses less digits than its factorization.

6530404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9614 (or 9612 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 6530404 is about 2555.4655153220. The cubic root of 6530404 is about 186.9160880634.

The spelling of 6530404 in words is "six million, five hundred thirty thousand, four hundred four".