33235340 has 48 divisors (see below), whose sum is σ = 74390400. Its totient is φ = 12429312.

The previous prime is 33235339. The next prime is 33235343. The reversal of 33235340 is 4353233.

It is a super-2 number, since 2×33235340² = 2209175649831200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33235343) 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, 81056 + ... + 81464.

It is an arithmetic number, because the mean of its divisors is an integer number (1549800).

Almost surely, 2^33235340 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 33235340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37195200).

33235340 is an abundant number, since it is smaller than the sum of its proper divisors (41155060).

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

33235340 is a wasteful number, since it uses less digits than its factorization.

33235340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 23.

The square root of 33235340 is about 5765.0099739723. The cubic root of 33235340 is about 321.5141135759.

Adding to 33235340 its reverse (4353233), we get a palindrome (37588573).

The spelling of 33235340 in words is "thirty-three million, two hundred thirty-five thousand, three hundred forty".