6603420 has 48 divisors (see below), whose sum is σ = 18633888. Its totient is φ = 1747200.

The previous prime is 6603413. The next prime is 6603437. The reversal of 6603420 is 243066.

6603420 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 9070 + ... + 9770.

It is an arithmetic number, because the mean of its divisors is an integer number (388206).

Almost surely, 2^6603420 is an apocalyptic number.

6603420 is a gapful number since it is divisible by the number (60) 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 6603420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9316944).

6603420 is an abundant number, since it is smaller than the sum of its proper divisors (12030468).

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

6603420 is a wasteful number, since it uses less digits than its factorization.

6603420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 6603420 is about 2569.7120461250. The cubic root of 6603420 is about 187.6101397344.

Adding to 6603420 its reverse (243066), we get a palindrome (6846486).

The spelling of 6603420 in words is "six million, six hundred three thousand, four hundred twenty".