6529864 has 16 divisors (see below), whose sum is σ = 13356720. Its totient is φ = 2968080.

The previous prime is 6529849. The next prime is 6529877. The reversal of 6529864 is 4689256.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37014 + ... + 37189.

It is an arithmetic number, because the mean of its divisors is an integer number (834795).

Almost surely, 2^6529864 is an apocalyptic number.

It is an amenable number.

6529864 is an abundant number, since it is smaller than the sum of its proper divisors (6826856).

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

6529864 is a wasteful number, since it uses less digits than its factorization.

6529864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74220 (or 74216 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 6529864 is about 2555.3598572412. The cubic root of 6529864 is about 186.9109358825.

It can be divided in two parts, 65 and 29864, that added together give a square (29929 = 173²).

The spelling of 6529864 in words is "six million, five hundred twenty-nine thousand, eight hundred sixty-four".