3809216 has 28 divisors (see below), whose sum is σ = 7708392. Its totient is φ = 1867008.

The previous prime is 3809189. The next prime is 3809251. The reversal of 3809216 is 6129083.

3809216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2831 + ... + 3953.

Almost surely, 2^3809216 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 3809216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3854196).

3809216 is an abundant number, since it is smaller than the sum of its proper divisors (3899176).

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

3809216 is a wasteful number, since it uses less digits than its factorization.

3809216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188 (or 1178 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 3809216 is about 1951.7212915783. The cubic root of 3809216 is about 156.1751265805.

The spelling of 3809216 in words is "three million, eight hundred nine thousand, two hundred sixteen".