6534864 has 80 divisors (see below), whose sum is σ = 21447040. Its totient is φ = 1866240.

The previous prime is 6534859. The next prime is 6534883. The reversal of 6534864 is 4684356.

6534864 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1944 + ... + 4104.

It is an arithmetic number, because the mean of its divisors is an integer number (268088).

Almost surely, 2^6534864 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 6534864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10723520).

6534864 is an abundant number, since it is smaller than the sum of its proper divisors (14912176).

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

6534864 is a wasteful number, since it uses less digits than its factorization.

6534864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2185 (or 2173 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 6534864 is about 2556.3380058200. The cubic root of 6534864 is about 186.9586304055.

It can be divided in two parts, 6534 and 864, that multiplied together give a square (5645376 = 2376²).

The spelling of 6534864 in words is "six million, five hundred thirty-four thousand, eight hundred sixty-four".