6405104 has 20 divisors (see below), whose sum is σ = 12540864. Its totient is φ = 3168768.

The previous prime is 6405101. The next prime is 6405131. The reversal of 6405104 is 4015046.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6405101) 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 3 ways as a sum of consecutive naturals, for example, 512 + ... + 3615.

Almost surely, 2^6405104 is an apocalyptic number.

It is an amenable number.

6405104 is a deficient number, since it is larger than the sum of its proper divisors (6135760).

6405104 is a wasteful number, since it uses less digits than its factorization.

6405104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4232 (or 4226 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 6405104 is about 2530.8306936656. The cubic root of 6405104 is about 185.7128957912.

The spelling of 6405104 in words is "six million, four hundred five thousand, one hundred four".