6338420 has 48 divisors (see below), whose sum is σ = 14853888. Its totient is φ = 2252160.

The previous prime is 6338417. The next prime is 6338471. The reversal of 6338420 is 248336.

It is a self number, because there is not a number n which added to its sum of digits gives 6338420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10034 + ... + 10646.

It is an arithmetic number, because the mean of its divisors is an integer number (309456).

Almost surely, 2^6338420 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 6338420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7426944).

6338420 is an abundant number, since it is smaller than the sum of its proper divisors (8515468).

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

6338420 is a wasteful number, since it uses less digits than its factorization.

6338420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 6338420 is about 2517.6218937720. The cubic root of 6338420 is about 185.0661560330.

It can be divided in two parts, 63 and 38420, that added together give a palindrome (38483).

The spelling of 6338420 in words is "six million, three hundred thirty-eight thousand, four hundred twenty".