6534040 has 16 divisors (see below), whose sum is σ = 14701680. Its totient is φ = 2613600.

The previous prime is 6534013. The next prime is 6534049. The reversal of 6534040 is 404356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6534049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81636 + ... + 81715.

It is an arithmetic number, because the mean of its divisors is an integer number (918855).

Almost surely, 2^6534040 is an apocalyptic number.

It is an amenable number.

6534040 is an abundant number, since it is smaller than the sum of its proper divisors (8167640).

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

6534040 is a wasteful number, since it uses less digits than its factorization.

6534040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163362 (or 163358 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 6534040 is about 2556.1768326937. The cubic root of 6534040 is about 186.9507720228.

Adding to 6534040 its reverse (404356), we get a palindrome (6938396).

The spelling of 6534040 in words is "six million, five hundred thirty-four thousand, forty".