33985505 has 8 divisors (see below), whose sum is σ = 40891392. Its totient is φ = 27115888.

The previous prime is 33985493. The next prime is 33985507. The reversal of 33985505 is 50558933.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33985505 - 2⁸ = 33985249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33985507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6959 + ... + 10788.

It is an arithmetic number, because the mean of its divisors is an integer number (5111424).

Almost surely, 2^33985505 is an apocalyptic number.

It is an amenable number.

33985505 is a deficient number, since it is larger than the sum of its proper divisors (6905887).

33985505 is a wasteful number, since it uses less digits than its factorization.

33985505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18135.

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 33985505 is about 5829.7088263480. The cubic root of 33985505 is about 323.9151361594.

The spelling of 33985505 in words is "thirty-three million, nine hundred eighty-five thousand, five hundred five".