6430506 has 16 divisors (see below), whose sum is σ = 12956544. Its totient is φ = 2127584.

The previous prime is 6430499. The next prime is 6430511. The reversal of 6430506 is 6050346.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3090 + ... + 4733.

It is an arithmetic number, because the mean of its divisors is an integer number (809784).

Almost surely, 2^6430506 is an apocalyptic number.

6430506 is an abundant number, since it is smaller than the sum of its proper divisors (6526038).

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

6430506 is a wasteful number, since it uses less digits than its factorization.

6430506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7965.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 6430506 is about 2535.8442381187. The cubic root of 6430506 is about 185.9580781923.

The spelling of 6430506 in words is "six million, four hundred thirty thousand, five hundred six".