6404853 has 32 divisors (see below), whose sum is σ = 10886400. Its totient is φ = 3257856.

The previous prime is 6404837. The next prime is 6404873. The reversal of 6404853 is 3584046.

It is not a de Polignac number, because 6404853 - 2⁴ = 6404837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6404853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6404873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7513 + ... + 8321.

It is an arithmetic number, because the mean of its divisors is an integer number (340200).

Almost surely, 2^6404853 is an apocalyptic number.

It is an amenable number.

6404853 is a deficient number, since it is larger than the sum of its proper divisors (4481547).

6404853 is a wasteful number, since it uses less digits than its factorization.

6404853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 6404853 is about 2530.7811047185. The cubic root of 6404853 is about 185.7104698850.

Adding to 6404853 its reverse (3584046), we get a palindrome (9988899).

The spelling of 6404853 in words is "six million, four hundred four thousand, eight hundred fifty-three".