6138564 has 24 divisors (see below), whose sum is σ = 15166368. Its totient is φ = 1925760.

The previous prime is 6138563. The next prime is 6138569. The reversal of 6138564 is 4658316.

It is not an unprimeable number, because it can be changed into a prime (6138563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14842 + ... + 15249.

It is an arithmetic number, because the mean of its divisors is an integer number (631932).

Almost surely, 2^6138564 is an apocalyptic number.

It is an amenable number.

6138564 is an abundant number, since it is smaller than the sum of its proper divisors (9027804).

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

6138564 is a wasteful number, since it uses less digits than its factorization.

6138564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30115 (or 30113 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 6138564 is about 2477.6125605106. The cubic root of 6138564 is about 183.1002466668.

The spelling of 6138564 in words is "six million, one hundred thirty-eight thousand, five hundred sixty-four".