8460220 has 48 divisors (see below), whose sum is σ = 19051200. Its totient is φ = 3144704.

The previous prime is 8460217. The next prime is 8460223. The reversal of 8460220 is 220648.

It is an interprime number because it is at equal distance from previous prime (8460217) and next prime (8460223).

It is a junction number, because it is equal to n+sod(n) for n = 8460191 and 8460200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8460223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50577 + ... + 50743.

It is an arithmetic number, because the mean of its divisors is an integer number (396900).

Almost surely, 2^8460220 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 8460220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9525600).

8460220 is an abundant number, since it is smaller than the sum of its proper divisors (10590980).

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

8460220 is a wasteful number, since it uses less digits than its factorization.

8460220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 8460220 is about 2908.6457329830. The cubic root of 8460220 is about 203.7638880468.

Adding to 8460220 its reverse (220648), we get a palindrome (8680868).

The spelling of 8460220 in words is "eight million, four hundred sixty thousand, two hundred twenty".