3837216 has 24 divisors (see below), whose sum is σ = 10072944. Its totient is φ = 1279040.

The previous prime is 3837209. The next prime is 3837217. The reversal of 3837216 is 6127383.

It is a tau number, because it is divible by the number of its divisors (24).

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁹ + 8⁷ + 3¹³ + 7⁶ + 2¹³ + 1 + 6³ .

It is not an unprimeable number, because it can be changed into a prime (3837217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19890 + ... + 20081.

It is an arithmetic number, because the mean of its divisors is an integer number (419706).

Almost surely, 2^3837216 is an apocalyptic number.

It is an amenable number.

3837216 is an abundant number, since it is smaller than the sum of its proper divisors (6235728).

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

3837216 is a wasteful number, since it uses less digits than its factorization.

3837216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39984 (or 39976 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 3837216 is about 1958.8813134031. The cubic root of 3837216 is about 156.5568527770.

The spelling of 3837216 in words is "three million, eight hundred thirty-seven thousand, two hundred sixteen".