33385305 has 16 divisors (see below), whose sum is σ = 55739520. Its totient is φ = 17031168.

The previous prime is 33385301. The next prime is 33385343. The reversal of 33385305 is 50358333.

It is not a de Polignac number, because 33385305 - 2² = 33385301 is a prime.

It is a super-2 number, since 2×33385305² = 2229157179886050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33385301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48040 + ... + 48729.

It is an arithmetic number, because the mean of its divisors is an integer number (3483720).

Almost surely, 2^33385305 is an apocalyptic number.

It is an amenable number.

33385305 is a deficient number, since it is larger than the sum of its proper divisors (22354215).

33385305 is a wasteful number, since it uses less digits than its factorization.

33385305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96800.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 33385305 is about 5778.0018172375. The cubic root of 33385305 is about 321.9969683240.

The spelling of 33385305 in words is "thirty-three million, three hundred eighty-five thousand, three hundred five".