6404313 has 8 divisors (see below), whose sum is σ = 8572608. Its totient is φ = 4252784.

The previous prime is 6404303. The next prime is 6404317. The reversal of 6404313 is 3134046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6404313 - 2⁴ = 6404297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6404313.

It is not an unprimeable number, because it can be changed into a prime (6404317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3270 + ... + 4847.

It is an arithmetic number, because the mean of its divisors is an integer number (1071576).

Almost surely, 2^6404313 is an apocalyptic number.

It is an amenable number.

6404313 is a deficient number, since it is larger than the sum of its proper divisors (2168295).

6404313 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 13 representation: 6404313 = (1433046)₁₃.

6404313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8383.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 6404313 is about 2530.6744160401. The cubic root of 6404313 is about 185.7052505889.

Adding to 6404313 its reverse (3134046), we get a palindrome (9538359).

The spelling of 6404313 in words is "six million, four hundred four thousand, three hundred thirteen".