6389020 has 48 divisors (see below), whose sum is σ = 14823648. Its totient is φ = 2293760.

The previous prime is 6389017. The next prime is 6389021. The reversal of 6389020 is 209836.

6389020 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6389020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6389021) 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, 24732 + ... + 24988.

It is an arithmetic number, because the mean of its divisors is an integer number (308826).

Almost surely, 2^6389020 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 6389020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7411824).

6389020 is an abundant number, since it is smaller than the sum of its proper divisors (8434628).

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

6389020 is a wasteful number, since it uses less digits than its factorization.

6389020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 6389020 is about 2527.6510835161. The cubic root of 6389020 is about 185.5573162224.

The spelling of 6389020 in words is "six million, three hundred eighty-nine thousand, twenty".