33126216 has 16 divisors (see below), whose sum is σ = 82815600. Its totient is φ = 11042064.

The previous prime is 33126193. The next prime is 33126241. The reversal of 33126216 is 61262133.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1380259 = 33126216 / (3 + 3 + 1 + 2 + 6 + 2 + 1 + 6).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 690106 + ... + 690153.

It is an arithmetic number, because the mean of its divisors is an integer number (5175975).

Almost surely, 2^33126216 is an apocalyptic number.

It is an amenable number.

33126216 is an abundant number, since it is smaller than the sum of its proper divisors (49689384).

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

33126216 is a wasteful number, since it uses less digits than its factorization.

33126216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380268 (or 1380264 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

The square root of 33126216 is about 5755.5378549706. The cubic root of 33126216 is about 321.1618442218.

Adding to 33126216 its reverse (61262133), we get a palindrome (94388349).

The spelling of 33126216 in words is "thirty-three million, one hundred twenty-six thousand, two hundred sixteen".