6430000 has 50 divisors (see below), whose sum is σ = 15591884. Its totient is φ = 2568000.

The previous prime is 6429977. The next prime is 6430003. The reversal of 6430000 is 346.

It is a tau number, because it is divible by the number of its divisors (50).

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (6430003) 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, 9679 + ... + 10321.

Almost surely, 2^6430000 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 6430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7795942).

6430000 is an abundant number, since it is smaller than the sum of its proper divisors (9161884).

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

6430000 is an equidigital number, since it uses as much as digits as its factorization.

6430000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 6430000 is about 2535.7444666212. The cubic root of 6430000 is about 185.9532005432.

Adding to 6430000 its reverse (346), we get a palindrome (6430346).

The spelling of 6430000 in words is "six million, four hundred thirty thousand".