3812216 has 16 divisors (see below), whose sum is σ = 7568640. Its totient is φ = 1793920.

The previous prime is 3812213. The next prime is 3812219. The reversal of 3812216 is 6122183.

It is an interprime number because it is at equal distance from previous prime (3812213) and next prime (3812219).

It is a junction number, because it is equal to n+sod(n) for n = 3812191 and 3812200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3812213) 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, 13880 + ... + 14151.

It is an arithmetic number, because the mean of its divisors is an integer number (473040).

Almost surely, 2^3812216 is an apocalyptic number.

It is an amenable number.

3812216 is a deficient number, since it is larger than the sum of its proper divisors (3756424).

3812216 is a wasteful number, since it uses less digits than its factorization.

3812216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28054 (or 28050 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 3812216 is about 1952.4896926745. The cubic root of 3812216 is about 156.2161151055.

Adding to 3812216 its reverse (6122183), we get a palindrome (9934399).

The spelling of 3812216 in words is "three million, eight hundred twelve thousand, two hundred sixteen".