6434530 has 8 divisors (see below), whose sum is σ = 11582172. Its totient is φ = 2573808.

The previous prime is 6434489. The next prime is 6434531. The reversal of 6434530 is 354346.

It can be written as a sum of positive squares in 2 ways, for example, as 5948721 + 485809 = 2439^2 + 697^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6434495 and 6434504.

It is not an unprimeable number, because it can be changed into a prime (6434531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321717 + ... + 321736.

Almost surely, 2^6434530 is an apocalyptic number.

6434530 is a deficient number, since it is larger than the sum of its proper divisors (5147642).

6434530 is a wasteful number, since it uses less digits than its factorization.

6434530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643460.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 6434530 is about 2536.6375381595. The cubic root of 6434530 is about 185.9968589287.

Adding to 6434530 its reverse (354346), we get a palindrome (6788876).

The spelling of 6434530 in words is "six million, four hundred thirty-four thousand, five hundred thirty".