3218112 has 84 divisors (see below), whose sum is σ = 9536176. Its totient is φ = 1036800.

The previous prime is 3218093. The next prime is 3218119. The reversal of 3218112 is 2118123.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3218119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21237 + ... + 21387.

Almost surely, 2^3218112 is an apocalyptic number.

3218112 is a gapful number since it is divisible by the number (32) 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 3218112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4768088).

3218112 is an abundant number, since it is smaller than the sum of its proper divisors (6318064).

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

3218112 is a wasteful number, since it uses less digits than its factorization.

3218112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 193 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 3218112 is about 1793.9096967239. The cubic root of 3218112 is about 147.6387586318.

The spelling of 3218112 in words is "three million, two hundred eighteen thousand, one hundred twelve".