7854220 has 48 divisors (see below), whose sum is σ = 18950400. Its totient is φ = 2704320.

The previous prime is 7854211. The next prime is 7854227. The reversal of 7854220 is 224587.

7854220 is nontrivially palindromic in base 6.

It is not an unprimeable number, because it can be changed into a prime (7854227) by changing a digit.

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, 3241 + ... + 5119.

It is an arithmetic number, because the mean of its divisors is an integer number (394800).

Almost surely, 2^7854220 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 7854220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9475200).

7854220 is an abundant number, since it is smaller than the sum of its proper divisors (11096180).

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

7854220 is a wasteful number, since it uses less digits than its factorization.

7854220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918 (or 1916 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 7854220 is about 2802.5381353338. The cubic root of 7854220 is about 198.7777119436. Note that the first 4 decimals are identical.

It can be divided in two parts, 785 and 4220, that added together give a palindrome (5005).

The spelling of 7854220 in words is "seven million, eight hundred fifty-four thousand, two hundred twenty".