3672216 has 48 divisors (see below), whose sum is σ = 10319400. Its totient is φ = 1223424.

The previous prime is 3672209. The next prime is 3672217. The reversal of 3672216 is 6122763.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 3672216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3672217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1000 + ... + 2888.

Almost surely, 2^3672216 is an apocalyptic number.

3672216 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3672216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5159700).

3672216 is an abundant number, since it is smaller than the sum of its proper divisors (6647184).

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

3672216 is a wasteful number, since it uses less digits than its factorization.

3672216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910 (or 1894 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 3672216 is about 1916.3026900780. The cubic root of 3672216 is about 154.2799204173.

Adding to 3672216 its reverse (6122763), we get a palindrome (9794979).

The spelling of 3672216 in words is "three million, six hundred seventy-two thousand, two hundred sixteen".