5220306 has 48 divisors (see below), whose sum is σ = 13925184. Its totient is φ = 1376352.

The previous prime is 5220283. The next prime is 5220323. The reversal of 5220306 is 6030225.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45 + ... + 3231.

It is an arithmetic number, because the mean of its divisors is an integer number (290108).

Almost surely, 2^5220306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5220306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6962592).

5220306 is an abundant number, since it is smaller than the sum of its proper divisors (8704878).

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

5220306 is a wasteful number, since it uses less digits than its factorization.

5220306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215 (or 3212 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 5220306 is about 2284.7988970586. The cubic root of 5220306 is about 173.4730390771.

The spelling of 5220306 in words is "five million, two hundred twenty thousand, three hundred six".