33808212 has 48 divisors (see below), whose sum is σ = 88905600. Its totient is φ = 11108160.

The previous prime is 33808199. The next prime is 33808217. The reversal of 33808212 is 21280833.

33808212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×33808212² = 2285990397273888, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33808217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5464 + ... + 9872.

It is an arithmetic number, because the mean of its divisors is an integer number (1852200).

Almost surely, 2^33808212 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 33808212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44452800).

33808212 is an abundant number, since it is smaller than the sum of its proper divisors (55097388).

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

33808212 is a wasteful number, since it uses less digits than its factorization.

33808212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4493 (or 4485 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 33808212 is about 5814.4829520775. The cubic root of 33808212 is about 323.3508952330.

The spelling of 33808212 in words is "thirty-three million, eight hundred eight thousand, two hundred twelve".