3804220 has 48 divisors (see below), whose sum is σ = 9455040. Its totient is φ = 1257984.

The previous prime is 3804217. The next prime is 3804221. The reversal of 3804220 is 224083.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3804221) 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, 3592 + ... + 4528.

It is an arithmetic number, because the mean of its divisors is an integer number (196980).

Almost surely, 2^3804220 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 3804220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4727520).

3804220 is an abundant number, since it is smaller than the sum of its proper divisors (5650820).

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

3804220 is a wasteful number, since it uses less digits than its factorization.

3804220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 3804220 is about 1950.4409757796. The cubic root of 3804220 is about 156.1068192354.

The spelling of 3804220 in words is "three million, eight hundred four thousand, two hundred twenty".