6534432 has 60 divisors (see below), whose sum is σ = 19225206. Its totient is φ = 2177280.

The previous prime is 6534419. The next prime is 6534433. The reversal of 6534432 is 2344356.

6534432 is a `hidden beast` number, since 653 + 4 + 4 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6533136 + 1296 = 2556^2 + 36^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6534396 and 6534405.

It is not an unprimeable number, because it can be changed into a prime (6534433) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1332 + ... + 3852.

Almost surely, 2^6534432 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 6534432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9612603).

6534432 is an abundant number, since it is smaller than the sum of its proper divisors (12690774).

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

6534432 is a wasteful number, since it uses less digits than its factorization.

6534432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543 (or 2526 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 6534432 is about 2556.2535085550. The cubic root of 6534432 is about 186.9545105591.

Adding to 6534432 its reverse (2344356), we get a palindrome (8878788).

The spelling of 6534432 in words is "six million, five hundred thirty-four thousand, four hundred thirty-two".