3600220 has 48 divisors (see below), whose sum is σ = 8311968. Its totient is φ = 1301760.

The previous prime is 3600217. The next prime is 3600221. The reversal of 3600220 is 220063.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 3600220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3600221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15747 + ... + 15973.

It is an arithmetic number, because the mean of its divisors is an integer number (173166).

Almost surely, 2^3600220 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 3600220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4155984).

3600220 is an abundant number, since it is smaller than the sum of its proper divisors (4711748).

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

3600220 is a wasteful number, since it uses less digits than its factorization.

3600220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3600220 is about 1897.4245703058. The cubic root of 3600220 is about 153.2650084165.

Adding to 3600220 its reverse (220063), we get a palindrome (3820283).

The spelling of 3600220 in words is "three million, six hundred thousand, two hundred twenty".