6353864 has 32 divisors (see below), whose sum is σ = 13141440. Its totient is φ = 2856000.

The previous prime is 6353863. The next prime is 6353873. The reversal of 6353864 is 4683536.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6353863) 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 7 ways as a sum of consecutive naturals, for example, 8714 + ... + 9414.

It is an arithmetic number, because the mean of its divisors is an integer number (410670).

Almost surely, 2^6353864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6353864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6570720).

6353864 is an abundant number, since it is smaller than the sum of its proper divisors (6787576).

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

6353864 is a wasteful number, since it uses less digits than its factorization.

6353864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821 (or 817 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 6353864 is about 2520.6872078860. The cubic root of 6353864 is about 185.2163429608.

The spelling of 6353864 in words is "six million, three hundred fifty-three thousand, eight hundred sixty-four".