6533864 has 16 divisors (see below), whose sum is σ = 12324420. Its totient is φ = 3247360.

The previous prime is 6533851. The next prime is 6533873. The reversal of 6533864 is 4683356.

It can be written as a sum of positive squares in 2 ways, for example, as 6100900 + 432964 = 2470^2 + 658^2 .

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, 977 + ... + 3744.

Almost surely, 2^6533864 is an apocalyptic number.

It is an amenable number.

6533864 is a deficient number, since it is larger than the sum of its proper divisors (5790556).

6533864 is a wasteful number, since it uses less digits than its factorization.

6533864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4900 (or 4896 counting only the distinct ones).

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

The square root of 6533864 is about 2556.1424060486. The cubic root of 6533864 is about 186.9490934477.

The spelling of 6533864 in words is "six million, five hundred thirty-three thousand, eight hundred sixty-four".