33881064 has 32 divisors (see below), whose sum is σ = 96803520. Its totient is φ = 9680256.

The previous prime is 33881063. The next prime is 33881069. The reversal of 33881064 is 46018833.

33881064 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 2×33881064² = 2295852995544192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33881063) 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 7 ways as a sum of consecutive naturals, for example, 100669 + ... + 101004.

It is an arithmetic number, because the mean of its divisors is an integer number (3025110).

Almost surely, 2^33881064 is an apocalyptic number.

It is an amenable number.

33881064 is an abundant number, since it is smaller than the sum of its proper divisors (62922456).

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

33881064 is a wasteful number, since it uses less digits than its factorization.

33881064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201689 (or 201685 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 33881064 is about 5820.7442823062. The cubic root of 33881064 is about 323.5829873564.

Adding to 33881064 its reverse (46018833), we get a palindrome (79899897).

The spelling of 33881064 in words is "thirty-three million, eight hundred eighty-one thousand, sixty-four".