6404763 has 4 divisors (see below), whose sum is σ = 8539688. Its totient is φ = 4269840.

The previous prime is 6404753. The next prime is 6404771. The reversal of 6404763 is 3674046.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6404763 - 2¹⁰ = 6403739 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6404763.

It is not an unprimeable number, because it can be changed into a prime (6404743) 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, 1067458 + ... + 1067463.

It is an arithmetic number, because the mean of its divisors is an integer number (2134922).

Almost surely, 2^6404763 is an apocalyptic number.

6404763 is a deficient number, since it is larger than the sum of its proper divisors (2134925).

6404763 is a wasteful number, since it uses less digits than its factorization.

6404763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134924.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 6404763 is about 2530.7633235844. The cubic root of 6404763 is about 185.7096000227.

The spelling of 6404763 in words is "six million, four hundred four thousand, seven hundred sixty-three".