6390828 has 36 divisors (see below), whose sum is σ = 16307928. Its totient is φ = 2110080.

The previous prime is 6390799. The next prime is 6390829. The reversal of 6390828 is 8280936.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 6390792 and 6390801.

It is not an unprimeable number, because it can be changed into a prime (6390829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3283 + ... + 4853.

It is an arithmetic number, because the mean of its divisors is an integer number (452998).

Almost surely, 2^6390828 is an apocalyptic number.

It is an amenable number.

6390828 is an abundant number, since it is smaller than the sum of its proper divisors (9917100).

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

6390828 is a wasteful number, since it uses less digits than its factorization.

6390828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694 (or 1689 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 6390828 is about 2528.0087025167. The cubic root of 6390828 is about 185.5748179147.

It can be divided in two parts, 63908 and 28, that added together give a palindrome (63936).

The spelling of 6390828 in words is "six million, three hundred ninety thousand, eight hundred twenty-eight".