33133436 has 12 divisors (see below), whose sum is σ = 66266928. Its totient is φ = 14200032.

The previous prime is 33133421. The next prime is 33133481. The reversal of 33133436 is 63433133.

33133436 is an admirable number.

It is a congruent number.

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, 591641 + ... + 591696.

It is an arithmetic number, because the mean of its divisors is an integer number (5522244).

Almost surely, 2^33133436 is an apocalyptic number.

It is an amenable number.

33133436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

33133436 is a wasteful number, since it uses less digits than its factorization.

33133436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183348 (or 1183346 counting only the distinct ones).

The product of its digits is 5832, while the sum is 26.

The square root of 33133436 is about 5756.1650428041. The cubic root of 33133436 is about 321.1851753912.

Adding to 33133436 its reverse (63433133), we get a palindrome (96566569).

The spelling of 33133436 in words is "thirty-three million, one hundred thirty-three thousand, four hundred thirty-six".