3784216 has 8 divisors (see below), whose sum is σ = 7095420. Its totient is φ = 1892104.

The previous prime is 3784199. The next prime is 3784223. The reversal of 3784216 is 6124873.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236506 + ... + 236521.

Almost surely, 2^3784216 is an apocalyptic number.

It is an amenable number.

3784216 is a deficient number, since it is larger than the sum of its proper divisors (3311204).

3784216 is a wasteful number, since it uses less digits than its factorization.

3784216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473033 (or 473029 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 3784216 is about 1945.3061455720. The cubic root of 3784216 is about 155.8327157045.

The spelling of 3784216 in words is "three million, seven hundred eighty-four thousand, two hundred sixteen".