33928605 has 16 divisors (see below), whose sum is σ = 60317760. Its totient is φ = 18095184.

The previous prime is 33928603. The next prime is 33928621. The reversal of 33928605 is 50682933.

33928605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 33928605 - 2¹ = 33928603 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33928605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33928603) 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, 125527 + ... + 125796.

It is an arithmetic number, because the mean of its divisors is an integer number (3769860).

Almost surely, 2^33928605 is an apocalyptic number.

It is an amenable number.

33928605 is a deficient number, since it is larger than the sum of its proper divisors (26389155).

33928605 is a wasteful number, since it uses less digits than its factorization.

33928605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251337 (or 251331 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 33928605 is about 5824.8266068614. The cubic root of 33928605 is about 323.7342642779.

The spelling of 33928605 in words is "thirty-three million, nine hundred twenty-eight thousand, six hundred five".