8648420 has 48 divisors (see below), whose sum is σ = 20865600. Its totient is φ = 2977920.

The previous prime is 8648413. The next prime is 8648447. The reversal of 8648420 is 248468.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3146 + ... + 5214.

It is an arithmetic number, because the mean of its divisors is an integer number (434700).

Almost surely, 2^8648420 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 8648420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10432800).

8648420 is an abundant number, since it is smaller than the sum of its proper divisors (12217180).

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

8648420 is a wasteful number, since it uses less digits than its factorization.

8648420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108 (or 2106 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 8648420 is about 2940.8196136451. The cubic root of 8648420 is about 205.2637493553.

The spelling of 8648420 in words is "eight million, six hundred forty-eight thousand, four hundred twenty".