6430056 has 64 divisors (see below), whose sum is σ = 17280000. Its totient is φ = 1987776.

The previous prime is 6430027. The next prime is 6430069. The reversal of 6430056 is 6500346.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26785 + ... + 27023.

It is an arithmetic number, because the mean of its divisors is an integer number (270000).

Almost surely, 2^6430056 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 6430056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8640000).

6430056 is an abundant number, since it is smaller than the sum of its proper divisors (10849944).

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

6430056 is a wasteful number, since it uses less digits than its factorization.

6430056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 322 counting only the distinct ones).

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

The square root of 6430056 is about 2535.7555087192. The cubic root of 6430056 is about 185.9537403747.

The spelling of 6430056 in words is "six million, four hundred thirty thousand, fifty-six".