3700216 has 32 divisors (see below), whose sum is σ = 7640640. Its totient is φ = 1669248.

The previous prime is 3700187. The next prime is 3700241. The reversal of 3700216 is 6120073.

It is a junction number, because it is equal to n+sod(n) for n = 3700193 and 3700202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4510 + ... + 5266.

It is an arithmetic number, because the mean of its divisors is an integer number (238770).

Almost surely, 2^3700216 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 3700216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3820320).

3700216 is an abundant number, since it is smaller than the sum of its proper divisors (3940424).

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

3700216 is a wasteful number, since it uses less digits than its factorization.

3700216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 3700216 is about 1923.5945518742. The cubic root of 3700216 is about 154.6710470750.

Adding to 3700216 its reverse (6120073), we get a palindrome (9820289).

It can be divided in two parts, 3700 and 216, that added together give a triangular number (3916 = T₈₈).

The spelling of 3700216 in words is "three million, seven hundred thousand, two hundred sixteen".