6438030 has 32 divisors (see below), whose sum is σ = 15686784. Its totient is φ = 1690656.

The previous prime is 6438007. The next prime is 6438031. The reversal of 6438030 is 308346.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6438031) 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 15 ways as a sum of consecutive naturals, for example, 409 + ... + 3611.

It is an arithmetic number, because the mean of its divisors is an integer number (490212).

Almost surely, 2^6438030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6438030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7843392).

6438030 is an abundant number, since it is smaller than the sum of its proper divisors (9248754).

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

6438030 is a wasteful number, since it uses less digits than its factorization.

6438030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 6438030 is about 2537.3273340269. The cubic root of 6438030 is about 186.0305765434.

The spelling of 6438030 in words is "six million, four hundred thirty-eight thousand, thirty".