6389472 has 96 divisors (see below), whose sum is σ = 18385920. Its totient is φ = 1935360.

The previous prime is 6389447. The next prime is 6389473. The reversal of 6389472 is 2749836.

6389472 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is an alternating number because its digits alternate between even and odd.

Its product of digits (72576) is a multiple of the sum of its prime divisors (168).

It is a self number, because there is not a number n which added to its sum of digits gives 6389472.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6389473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56488 + ... + 56600.

It is an arithmetic number, because the mean of its divisors is an integer number (191520).

Almost surely, 2^6389472 is an apocalyptic number.

6389472 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6389472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9192960).

6389472 is an abundant number, since it is smaller than the sum of its proper divisors (11996448).

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

6389472 is a wasteful number, since it uses less digits than its factorization.

6389472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 168 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 6389472 is about 2527.7404930095. The cubic root of 6389472 is about 185.5616919550.

The spelling of 6389472 in words is "six million, three hundred eighty-nine thousand, four hundred seventy-two".