3216132 has 48 divisors (see below), whose sum is σ = 8451520. Its totient is φ = 1057536.

The previous prime is 3216131. The next prime is 3216137. The reversal of 3216132 is 2316123.

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.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3216131) 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 15 ways as a sum of consecutive naturals, for example, 10323 + ... + 10629.

Almost surely, 2^3216132 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 3216132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4225760).

3216132 is an abundant number, since it is smaller than the sum of its proper divisors (5235388).

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

3216132 is a wasteful number, since it uses less digits than its factorization.

3216132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 409 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 3216132 is about 1793.3577445674. The cubic root of 3216132 is about 147.6084733056.

Subtracting from 3216132 its reverse (2316123), we obtain a palindrome (900009).

The spelling of 3216132 in words is "three million, two hundred sixteen thousand, one hundred thirty-two".