6404712 has 16 divisors (see below), whose sum is σ = 16011840. Its totient is φ = 2134896.

The previous prime is 6404711. The next prime is 6404719. The reversal of 6404712 is 2174046.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 266863 = 6404712 / (6 + 4 + 0 + 4 + 7 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (6404711) 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, 133408 + ... + 133455.

It is an arithmetic number, because the mean of its divisors is an integer number (1000740).

Almost surely, 2^6404712 is an apocalyptic number.

It is an amenable number.

6404712 is an abundant number, since it is smaller than the sum of its proper divisors (9607128).

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

6404712 is a wasteful number, since it uses less digits than its factorization.

6404712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266872 (or 266868 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 6404712 is about 2530.7532475530. The cubic root of 6404712 is about 185.7091070971.

Adding to 6404712 its reverse (2174046), we get a palindrome (8578758).

The spelling of 6404712 in words is "six million, four hundred four thousand, seven hundred twelve".