6443130 has 16 divisors (see below), whose sum is σ = 15463584. Its totient is φ = 1718160.

The previous prime is 6443117. The next prime is 6443131. The reversal of 6443130 is 313446.

It is a junction number, because it is equal to n+sod(n) for n = 6443097 and 6443106.

It is not an unprimeable number, because it can be changed into a prime (6443131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107356 + ... + 107415.

It is an arithmetic number, because the mean of its divisors is an integer number (966474).

Almost surely, 2^6443130 is an apocalyptic number.

6443130 is an abundant number, since it is smaller than the sum of its proper divisors (9020454).

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

6443130 is a wasteful number, since it uses less digits than its factorization.

6443130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214781.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 6443130 is about 2538.3321295685. The cubic root of 6443130 is about 186.0796860549.

Adding to 6443130 its reverse (313446), we get a palindrome (6756576).

The spelling of 6443130 in words is "six million, four hundred forty-three thousand, one hundred thirty".