3984216 has 32 divisors (see below), whose sum is σ = 10206000. Its totient is φ = 1295360.

The previous prime is 3984199. The next prime is 3984217. The reversal of 3984216 is 6124893.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3984217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041 + ... + 3008.

Almost surely, 2^3984216 is an apocalyptic number.

It is an amenable number.

3984216 is an abundant number, since it is smaller than the sum of its proper divisors (6221784).

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

3984216 is a wasteful number, since it uses less digits than its factorization.

3984216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4099 (or 4095 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 3984216 is about 1996.0500995717. The cubic root of 3984216 is about 158.5310338049.

It can be divided in two parts, 39 and 84216, that added together give a triangular number (84255 = T₄₁₀).

The spelling of 3984216 in words is "three million, nine hundred eighty-four thousand, two hundred sixteen".