3804216 has 64 divisors (see below), whose sum is σ = 10432800. Its totient is φ = 1148928.

The previous prime is 3804211. The next prime is 3804217. The reversal of 3804216 is 6124083.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3804211) 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, 27700 + ... + 27836.

Almost surely, 2^3804216 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 3804216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5216400).

3804216 is an abundant number, since it is smaller than the sum of its proper divisors (6628584).

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

3804216 is a wasteful number, since it uses less digits than its factorization.

3804216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 3804216 is about 1950.4399503702. The cubic root of 3804216 is about 156.1067645218.

Adding to 3804216 its reverse (6124083), we get a palindrome (9928299).

The spelling of 3804216 in words is "three million, eight hundred four thousand, two hundred sixteen".