3786216 has 64 divisors (see below), whose sum is σ = 11182080. Its totient is φ = 1045440.

The previous prime is 3786203. The next prime is 3786229. The reversal of 3786216 is 6126873.

3786216 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3786203) and next prime (3786229).

It is a nude number because it is divisible by every one of its digits.

3786216 is strictly pandigital in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4845 + ... + 5571.

It is an arithmetic number, because the mean of its divisors is an integer number (174720).

Almost surely, 2^3786216 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 3786216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5591040).

3786216 is an abundant number, since it is smaller than the sum of its proper divisors (7395864).

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

3786216 is a wasteful number, since it uses less digits than its factorization.

3786216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 770 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 3786216 is about 1945.8201355727. The cubic root of 3786216 is about 155.8601639739.

The spelling of 3786216 in words is "three million, seven hundred eighty-six thousand, two hundred sixteen".